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 ...

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 ...

Experts on domestic violence say a series of deaths in Nova Scotia over the past three months highlight the need to improve ...

Toronto police issued a warrant for the suspect’s arrest on Sept. 6, 2019, alleging he was involved in a nightclub shooting a ...

The lone suspect in a Halifax double homicide was wanted by Toronto police. Matthew Costain, who police say died of a self-inflicted wound, was wanted in relation to a North York nightclub shooting in ...

Investigators say Matthew Costain died of a self-inflicted gunshot wound a few hours after he shot and killed 40-year-old Cora-Lee Smith and her 73-year-old father, Bradford Downey, in a car in ...

A Nova Scotia community is mourning the loss of two of its members after they were shot and killed in Halifax on New Year's ...

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 ...