When does Motive return?

Motive is a Canadian police procedural crime drama television series that aired for four seasons on CTV from February 3, 2013, to August 30, 2016. The series premiere had 1.23 million viewers, making it the number one Canadian series premiere of the 2012–13 season. Each episode reveals the killer and the victim at the beginning; and the rest of the episode details the ongoing investigation, the killer's efforts to cover up the crime, and, via flashbacks, the events leading to the crime. This format is similar to that of that of the TV series Columbo.
Motive is a police procedural crime drama set in Vancouver, British Columbia, following the investigations of working class single mother Detective Angie Flynn. Each episode reveals the killer and the victim at the beginning; and the rest of the episode details the ongoing investigation, the killer's efforts to cover up the crime.