Offender Record · OFF-2026-118
Peter Manuel (photo from the Radford University biography)
Peter Thomas Anthony Manuel
Also known as Beast of Birkenshaw, Bedroom Killer
Sex
Male
Race
White
Height
5'4"
Born
1927
Custody
Deceased
States
NY, GB
Distinguishing featuresHeight 5'4" (64 inches); described as physically attractive with high IQ.
Custody
Deceased at HM Prison Barlinnie, Glasgow
Custody record at the facility
Executed by judicial hanging on 11 July 1958 at 08:01 hours at HM Prison Barlinnie, Glasgow (Wikipedia; document).
This record documents arrests, charges and convictions reported by courts, law enforcement agencies and news organizations. Every statement is tied to a cited source with an archived copy. A charge is an accusation, not proof of guilt; a person charged is presumed innocent unless convicted. Solve the Case does not allege that this person committed any offense beyond what the cited records state, and this record is not a suggestion that the person is connected to any unsolved case. How records are built, corrected and removed.
Summary of the record
Peter Thomas Anthony Manuel was a Scottish serial killer convicted of seven murders between 1956 and 1958 across Lanarkshire and Glasgow, Scotland. He was convicted of the murders of Marion Watt (45), Vivienne Watt (16), Margaret Brown (41), Isabelle Cooke (17), Peter Smart (45), Doris Smart (42), and Michael Smart (10). Manuel was also convicted of one prior rape in 1946 and had served nine years in Peterhead Prison. He was arrested on 14 January 1958, tried at Glasgow High Court from 12-29 May 1958, convicted on 26 May 1958, and executed by hanging on 11 July 1958 at HM Prison Barlinnie, Glasgow.
Documented Arrests, Charges and Convictions
Dispositions are shown exactly as the cited records report them. Pending charges are updated when a court acts; a record with no remaining conviction or pending charge is removed from the site.
Offense date Mar 08, 1946, Bothwell, Scotland
Rape
High Court of Judiciary, Glasgow · High Court of Judiciary, Glasgow · Arrested Mar 09, 1946 · Convicted Convicted · Sentence: 9 years imprisonment at HMP Peterhead
On 8 March 1946, Manuel attacked a 26-year-old female on Ferry Road, Bothwell, banging her head against the ground and raping her. He was arrested on 9 March 1946 for this attack and appeared at High Court of Judiciary in Glasgow on 26 June 1946 where he was convicted of rape.
SourcesPeter Manuel - Beast of Birkenshaw (Radford University Serial Killer Biography); Peter Manuel
Offense date Jul 30, 1955, Airdrie, Scotland
Attempted rape of Mary McLaughlan
Airdrie Sheriff Court · Airdrie Sheriff Court · Acquitted Acquitted
On 30 July 1955 (the same day his engagement to Anne O'Hara was called off), Manuel abducted Mary McLaughlan at knifepoint and attempted to rape her. He threatened to kill her by decapitation. She escaped. Manuel represented himself in court at Airdrie Sheriff Court and was acquitted. This was the only victim to live and testify against him.
SourcesPeter Manuel - Beast of Birkenshaw (Radford University Serial Killer Biography); Peter Manuel – Scotland's Worst Ever Serial Killer; Peter Manuel
Offense date 1956, Glasgow, Lanarkshire, Scotland
Theft by housebreaking
Glasgow High Court · High Court of Justiciary, Glasgow · Convicted Convicted · Sentence: Death by hanging (as part of murder convictions)
Manuel was convicted of multiple counts of theft by housebreaking as subsidiary charges to his murder convictions at Glasgow High Court on 29 May 1958. These included break-ins at Platt house and Martin residence in September 1956 and Houston house in December 1957. Also convicted of theft of Smart family car.
SourcesPeter Manuel - Beast of Birkenshaw (Radford University Serial Killer Biography); Peter Manuel
Offense date Sep 17, 1956, Burnside, Lanarkshire, Scotland
Murder of Marion Watt, Vivienne Watt, and Margaret Brown (capital murder)
Glasgow High Court · High Court of Justiciary, Glasgow · Arrested Jan 14, 1958 · Convicted Convicted · Sentence: Death by hanging
On 17 September 1956, Manuel broke into the home of Marion Watt (45) and her daughter Vivienne Watt (16) in High Burnside, Glasgow. Marion's sister Margaret Brown (41) was also staying in the home. Manuel shot all three women in their beds and sexually assaulted 16-year-old Vivienne. Bodies were found by housekeeper on 17 September 1956. Manuel was convicted of capital murder on 29 May 1958.
SourcesPeter Manuel - Beast of Birkenshaw (Radford University Serial Killer Biography); Peter Manuel; Peter Manuel - The Crimes
Offense date Dec 28, 1957, Uddingston, Lanarkshire, Scotland
Murder of Isabelle Cooke
Glasgow High Court · High Court of Justiciary, Glasgow · Arrested Jan 14, 1958 · Convicted Convicted · Sentence: Death by hanging
On 28 December 1957, 17-year-old Isabelle Cooke left home to go to a dance at Uddingston Grammar School and was abducted. Manuel raped and strangled her with her own underwear, burying her body in a field. He led police to the burial site after his arrest on 16 January 1958. Body was discovered 16 January 1958.
SourcesPeter Manuel - Beast of Birkenshaw (Radford University Serial Killer Biography); Peter Manuel; Peter Manuel – Scotland's Worst Ever Serial Killer; Peter Manuel: Scotland's 'Beast of Birkenshaw'
Offense date Jan 01, 1958, Uddingston, Lanarkshire, Scotland
Murder of Peter Smart, Doris Smart, and Michael Smart (capital murder)
Glasgow High Court · High Court of Justiciary, Glasgow · Arrested Jan 14, 1958 · Convicted Convicted · Sentence: Death by hanging
On 1 January 1958, in early morning hours, Manuel broke into the home of Peter Smart (45), Doris Smart (42), and their son Michael Smart (10) in Uddingston. He shot all three in the head. Manuel remained in the house for several days, eating their food and caring for their cat. He stole cash and drove away in their car. He gave a ride to Constable Robert Smith who was searching for Isabelle Cooke. Police traced stolen banknotes from the Smart household to Manuel, leading to his arrest on 14 January 1958.
SourcesPeter Manuel - Beast of Birkenshaw (Radford University Serial Killer Biography); Peter Manuel; Peter Manuel – Scotland's Worst Ever Serial Killer
Pattern and Background
Victim counts and the pattern of the offenses as stated by courts, agencies and the cited reporting. Suspected counts are what officials have said publicly, not a finding of this site.
7
Victims convicted
9
Victims confessed
12
Victims suspected
Active years
1956–1958
Range from home
local
Confessed
Yes
Education
some high school
Marital history
Never married
Children
0
Died
1958-07-11 · executed
Places Lived, Worked and Frequented
Each place and date range comes from a cited record. Dates marked approximate are as reported. Know a place that is missing? Use Edit record under the photo; a moderator reviews it before it appears.
GB
Motherwell, Scotland, United Kingdom
1932 – 1938 · Family home; moved from U.S. when father was ill
Motherwell, Scotland, United Kingdom
1937 – 1938 · Park Street Roman Catholic School
Coventry, England, United Kingdom
1938 – 1945 · Family moved to England
Southport, England, United Kingdom
1942 – 1943 · Southport Juvenile Court and detention for assault and breaking & entering
Market Weighton, England, United Kingdom
1943 – 1945 · Rochester Borstal Institution (youth prison) for two years; released March 1945
Glasgow, Scotland, United Kingdom
1945 – 1946 · Lived in Mt. Vernon Glasgow area; worked as laborer
Glasgow, Scotland, United Kingdom
1946 – 1946 · Prison for 12 months for 15 charges of breaking and entering; sentenced 21 March 1946
Peterhead, Scotland, United Kingdom
1946 – 1953 · HMP Peterhead for rape and housebreaking; 9-year sentence; released 1953
Scotland, United Kingdom
1953 – 1953 · Gas Board Company
Glasgow, Scotland, United Kingdom
1953 – 1958 · Lived in Birkenshaw area with family; occasionally lived alone or with others
East Kilbride, Scotland, United Kingdom
approx. 1955 – 1956 · Gas fitter for Gas Board
Glasgow, Scotland, United Kingdom
approx. 1956 – 1958 · Rail station employee; woodcutter
Glasgow, Scotland, United Kingdom
Jan 14, 1958 – Jan 14, 1958 · Arrested at home in Birkenshaw for murder; police traced stolen banknotes from Smart household
Glasgow, Scotland, United Kingdom
Jan 14, 1958 – Jul 11, 1958 · HM Prison Barlinnie, Glasgow; held pending trial, conviction, and execution
NY
Manhattan, New York
1927 – 1932 · Misericordia Hospital birthplace; born 15 March 1927
Timeline
Mar 15, 1927
Peter Thomas Anthony Manuel born in Misericordia Hospital, Manhattan, New York.
1932
Family moved from United States to Motherwell, Scotland due to father's illness.
1942
At age 15, Manuel broke into teacher's house, attacked his wife with candlestick holder, and appeared at Southport Juvenile Court on three charges of breaking into houses.
Mar 15, 1943
Manuel appeared in front of Market Weighton Court and was committed to Rochester Borstal Institution for two years.
Mar 1945
Manuel released from Rochester Borstal Institution at age 17.
1946
Manuel convicted for crimes not specified; spent next 6 years in Peterhead Prison (1946-1952).
Feb 17, 1946
Manuel arrested for breaking into a home and stealing a watch; released on bail 21 February 1946.
Mar 03, 1946
Manuel attacked a mother of a 3-year-old child in Mt. Vernon, Glasgow, kicking and beating her brutally but not raping her.
Mar 07, 1946
Four days after first attack, Manuel attacked a young nurse along Calder Road, Bellshill, only 6 miles from Mt. Vernon, Glasgow, but did not rape her.
Mar 08, 1946
Manuel attacked a 26-year-old female on Ferry Road, Bothwell, banging her head against ground and raping her.
Mar 09, 1946
Manuel arrested for the rape of the March 8 victim.
Mar 21, 1946
Manuel sent to prison for 12 months for 15 charges of breaking and entering into houses.
Jun 26, 1946
Manuel appeared at High Court of Judiciary in Glasgow for rape charge and was convicted of rape.
1953
Manuel released from prison at age 26 and received job at Gas Board Company.
1955
Manuel successfully defended himself at Airdrie Sheriff Court against rape charge.
Jul 30, 1955
Manuel's engagement to Anne O'Hara called off due to religious differences; same day he abducted Mary McLaughlan at knife point and attempted to rape her.
Jan 02, 1956
Manuel killed his first victim, Anne Kneilands (17), on golf course near East Kilbride, raping and bludgeoning her to death with iron bar.
Sep 17, 1956
Bodies of Watt family discovered by housekeeper.
Sep 17, 1956
Manuel broke into home of Marion Watt and murdered Marion Watt (45), her daughter Vivienne Watt (16), and sister Margaret Brown (41) in Burnside, Lanarkshire, shooting them in their beds.
Dec 08, 1957
Manuel murdered 36-year-old taxi driver Sydney Dunn in Newcastle upon Tyne (not tried; outside Scottish jurisdiction).
Dec 28, 1957
Manuel abducted 17-year-old Isabelle Cooke, who was walking to a dance at Uddingston Grammar School; he raped and strangled her.
Jan 01, 1958
Manuel broke into home of Peter Smart (45), Doris Smart (42), and son Michael Smart (10) in Uddingston, shooting all three in the head; remained in house for days, eating food and stealing cash.
Jan 02, 1958
Manuel gave Constable Robert Smith a ride to search area for Isabelle Cooke; police eventually traced stolen banknotes from Smart household to him.
Jan 13, 1958
Manuel arrested for murder at his home in Birkenshaw.
Jan 16, 1958
Body of Isabelle Cooke discovered when Manuel provided written confession to police for four sets of murders.
May 12, 1958
Trial began at Glasgow High Court with 31-year-old Peter Manuel.
May 29, 1958
On 13th day of trial, Manuel announced he was representing himself. Jury rendered verdicts: acquitted of Anne Kneiland murder; guilty of Platt break-in, Martin break-in, Watt murders (capital murder), Cooke murder, Smart murders (capital murder), theft of Smart's car; not proven on Houston break-in.
May 29, 1958
Manuel found guilty and sentenced to death.
May 30, 1958
Newspaper headlines read 'Manuel to Hang.'
Jun 24, 1958
Manuel taken to Appeal Court; petition for clemency was turned down by Scottish Secretary John McClay on 11 July 1958.
Jul 11, 1958
Peter Manuel executed by judicial hanging at 08:01 hours at HM Prison Barlinnie, Glasgow.
Sources
Solve the Case is never the original source. Each item below is the public record a statement on this page rests on, with an archived copy where one exists.
News report · Crime and Investigation ·
Peter Manuel - The Crimes“Between 1956 and 1958 Peter Manuel submitted his victims to an orgy of violence, making him Scotland's most notorious serial killer.”
Other · Radford University Department of Psychology ·
Peter Manuel - Beast of Birkenshaw (Radford University Serial Killer Biography)“Died 08.01 hours at HM Prison Barlinnie, Glasgow. The cause of death was 'Judicial Hanging.'”
News report · Wikipedia ·
Peter Manuel“Peter Thomas Anthony Manuel (15 March 1927 – 11 July 1958) was a Scottish serial killer known as the Beast of Birkenshaw and the Bedroom Killer who committed the murders of seven people across Lanarkshire, Scotland, between 1956 and 1958.”
News report · Capital Punishment UK ·
Peter Manuel – Scotland's Worst Ever Serial Killer“Peter Thomas Anthony Manuel was born in New York on March the 15th 1926 to Scottish parents. Five years later, in 1932, the family returned to Scotland and set up home in Motherwell.”
News report · Utterly Interesting ·
Peter Manuel: Scotland's 'Beast of Birkenshaw'“Convicted of seven murders committed between 1956 and 1958, and strongly suspected of at least two more, Manuel's spree of violence left a trail of fear and devastation across Lanarkshire and beyond.”
Other government record · National Archives of Scotland ·
National Archives of Scotland - Records Relating to the Trial and Execution of Peter Thomas Anthony Manuel“The National Archives of Scotland (NAS) holds many records about the Manuel case, in particular the investigation by the police and his prosecution by the Crown Office, his trial at the High Court of Justiciary in Glasgow in May 1958.”
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