03/18/2016 19:29 EDT | Updated 03/19/2017 01:12 EDT

Crown in Travis Vader trial calls witness statements inconsistent

EDMONTON — The prosecution at the trial of Travis Vader says the testimony of one of its own witnesses is inconsistent with what was told to investigators looking into the disappearance of an elderly Edmonton-area couple in 2010.

Crown prosecutor Ashley Finlayson spent Friday questioning William Nicolyuk, a long-time acquaintance of Vader's, about the two-day period before Vader was arrested as a person of interest in the deaths of Lyle and Marie McCann.

Asked if he had gotten groceries for Vader, if Vader had told him he was on the run, and if he'd ever seen Vader get into a white truck, Finlayson answered no.

Finlayson said those answers are not the same ones Nicolyuk gave in earlier statements, and he may seek to treat Nicolyuk as a hostile witness.

Nicolyuk, from Wildwood, Alta., west of Edmonton, testified Friday he had a crystal meth and gambling addiction and used to drive Vader around.

He said at the time, his friend Amber Williams, a fellow meth-user, was dating Vader but Nicolyuk testified he never actually saw Vader do drugs, he just assumed he did.

The McCanns, both in their 70s, vanished while driving their motorhome to Abbotsford, B.C. Three days later, it was found on fire about 200 kilometres away near Minnow Lake west of Edmonton.

Their bodies have never been found.

Vader, 44, has pleaded not guilty to first-degree murder.

(CTV Edmonton)