Ontario court documents from a sentencing a decade ago detail Matthew Costain's criminal record that began at the age of 14, including several arrests involving illegal guns.

The man who fatally shot his girlfriend and her father on New Year's Eve in Halifax before killing himself was wanted by Toronto police in relation to a nightclub shooting in 2019.Halifax Regional ...

HALIFAX — Halifax police say the 39-year-old man who allegedly killed a woman and her father on New Year's Eve was a fugitive wanted in a 2019 Toronto nightclub shooting.

Halifax Regional Police say a father and daughter were fatally shot on New Year's Eve hours before the woman's boyfriend took ...

Halifax Regional Police (HRP) confirmed Friday that Matthew Costain, 39, was the same man identified by Toronto police as a suspect in the Aug. 5, 2019 shooting. Four people were injured in the ...

The latest victim was 60-year-old woman, found near the body of her 75-year-old husband at their home in Mahone Bay ...

Matthew Costain is shown in a Toronto Police Service handout photo released in 2019. Halifax police say the man suspected of killing a woman and her father on New Year's Eve was a fugitive wanted ...

Matthew Costain is shown in a Toronto Police Service handout photo released in 2019. Halifax police say the man suspected of killing a woman and her father on New Year's Eve was a fugitive wanted in ...