09/12/2011 09:36 EDT | Updated 11/12/2011 05:12 EST

Missing woman murdered: police

Police in Longueuil, Que. have confirmed that a woman who disappeared from a South Shore mall parking lot in 2008 was murdered.

Diane Grégoire, 51, was last seen on Jan. 31, 2008 and police had been the treating the case as that of a missing persons.

Her husband, Paul Laplante, told police his wife had been shopping at the Promenades St. Bruno mall in St-Bruno-de-Montarville. He said they had planned to meet later that afternoon. But when Laplante went to their meeting place, Grégoire wasn't there.

Nobody at the mall was able to confirm that they had seen her.

Police searched extensively for Grégoire after her disappearance, setting up a command post at the mall, as well as combing the wooded areas near her home in St. Hyacinthe.

A news conference has been scheduled for 4 p.m. when police are expected to release more details.