A spokesman for the security company that employed both the Florida nightclub gunman and an armoured car guard who killed three co-workers in Edmonton in 2012 is defending its hiring practices.

The families of two armoured truck guards who were shot and killed by co-worker Travis Baumgartner on June 15, 2012 are suing him and the company they worked for.

Justice John Rooke accepted the joint submission from the Crown and Defence early Wednesday afternoon, and sentenced Travis Baumgartner to life in prison with no parole eligibility for 40 years.

On Wednesday, Justice John Rooke is expected to make a decision whether to accept a joint submission by the Crown and the Defence for a global sentence of life in prison with no parole eligibility for 40 years for Travis Baumgartner.