13-year old Drayden Fontaine and 17-year old Dayne Fontaine were fatally shot Jan. 22 in a home in the small Dene community before the shooter moved on to the area high school.
Teacher, 25-year old Adam Wood and teacher’s aide, 21-year old Marie Janvier were also killed and seven others were wounded.
A 17-year-old boy, who can’t be named under the Youth Criminal Justice Act, has been charged with first-degree murder and attempted murder.
Mulcair was joined by NDP MP Georgina Jolibois, the town’s former mayor.
The two laid a wreath outside the school.
On Friday, Prime Minister Justin Trudeau was in La Loche and called for all levels of government and indigenous leaders to work together.
Going a step further, Mulcair said he is looking for an inter-party approach to long-term solutions for the underserved north in the wake of this tragedy.