William Weir charged with the murder of Jacob Jansen in Peterborough

The 2023 Ontario Homicide Victim List is available here

Peterborough police officers received a call for service from the George Street and Charlotte Street area around 11:30pm on August 8th.

On arrival police located Jacob Jansen, 27, suffering from a stab wound. Jansen was rushed to Peterborough Regional Health Centre where he died of his injury. 

On August 14, 2023, at approximately 10:45am, officers from the Investigative Services Division arrested 32-year-old William Weir of Peterborough. 

Weir has been charged with:

  • First Degree Murder

“This arrest was greatly helped by the presence of the CCTV cameras in our downtown core,” said Chief Stuart Betts.