Authorities in Quebec are expected to travel to Europe in the coming days to gather witness testimony for the trial of Luka Magnotta.
Jean-Pascal Boucher, a spokesman for the Crown prosecutor's office in Montreal, says lawyers representing the Crown and the defence will leave for Germany and France "shortly" to interview civilians and law-enforcement personnel.
Boucher wouldn't give a precise departure date.
Quebec Superior Court Justice Guy Cournoyer will decide what information is admissible for the trial due to start on Sept. 8.
Magnotta is accused of killing and dismembering Concordia University student Jun Lin in Montreal in May 2012.
He has pleaded not guilty to all charges.
The case triggered an international manhunt that ultimately led to Magnotta's arrest in Berlin a month later.
In addition to the murder charge against him, Magnotta is accused of committing an indignity to a body; publishing obscene material; criminally harassing Prime Minister Stephen Harper and other members of Parliament and mailing obscene and indecent material.