A 21-year-old man appeared in court Monday after allegedly making threats against Montreal police.

Jeffrey Zakir Mohammed Labelle will be charged with committing terrorist activities between September 1 and December 19.

He was arrested last Friday after police were tipped off by a family member.

Police representative Ian Lafreniere said that a map with four police stations highlighted was found in the man's North End home.

"He was getting radicalized to violence," said Lafreniere. "Beacuse of that we were able to apprehend him."

His grandmother Sylvie Labelle, who said that she raised the young man, told CTV Montreal Monday that he has faced many difficult challenges in his family life but has never been violent.

Jeffrey Labelle changed his name to Jeffrey Zakir Mohammed Labelle after converting to Islam two years ago. He credited the switch to helping him forgive his mother, which whom he had a rocky relationship, although the two relapsed and had a recent dispute.

Sylvie Labelle described her grandson as a "pacifist. He would never harm anybody." She said that his only previous encounter with police occurred when he threatened to harm himself.

The arrest came a day before a man fatally shot two New York City police officers as they sat inside their patrol car.

-With a file from The Canadian Press