A convicted cop killer who escaped from a halfway house has been recaptured.

Pierre Ouellet was arrested Monday evening in Montreal by RCMP officers, according to the Quebec City police force.

Ouellet was serving a life sentence for the 1986 murder of Montreal police officer Claude St-Laurent.

He had been living in a halfway house in preparation for parole when he disappeared last Wednesday. Police suspect he obtained a handgun and robbed a pair of Quebec City grocery stores.

Police say the robberies were caught on surveillance video.

Ouellet had a lengthy criminal history of committing armed robbery before he was pulled over by a police officer in 1986. With an accomplice Ouellet disarmed St-Laurent, then killed the officer with his own revolver.

He was sentenced to life in prison without the possibility of parole for 25 years.

With files from The Canadian Press