Man with Mental Illness Shot by Police After Church Security Guard Stabbing

Moncrieffe, who allegedly stabbed a church guard, was shot by NYPD after refusing to drop his knife.
Moncrieffe had a history of mental illness but no known criminal history.
Both Moncrieffe and the guard survived the incident and are in stable condition.
The police shooting was one of three similar incidents in New York City on the same day.