The man who fatally shot his girlfriend and her father on New Year's Eve in Halifax before killing himself was wanted by ...

The man suspected of killing his girlfriend, her father and himself in Halifax at the beginning of the year had a lengthy criminal record in Ontario, including a history of firearm offences ...

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.

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.

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 ...

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 ...

The man suspected of killing his girlfriend and her father on New Year’s Eve in Halifax, before dying by a self-inflicted gunshot wound, was wanted in Toronto for a 2019 nightclub shooting.

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 ...