Bay Area man fatally stabbed a woman and posted video of her 'last moments' on Facebook, police say

A Bay Area man faces a murder charge after allegedly stabbing a woman to death and posting video of her "last moments" on Facebook, San Mateo Police say.

The Nye County Sheriff's Office in Nevada notified San Mateo Police Wednesday afternoon that a caller reported having witnessed a stabbing on Facebook, police said in a statement.

The caller provided the name and phone number of the man who posted the video, according to San Mateo police. The phone number was traced to an apartment complex in San Mateo.

Investigators later arrested the 39-year-old suspect, Mark Mechikoff, in San Jose, police said.

"While the motive for stabbing the victim is still under investigation, we do know Mechikoff mercilessly filmed the last moments of the victim's life and posted the video to Facebook, then fled the area," San Mateo police said in the statement.

Before the arrest, police officers spent nearly three hours going door to door in the large complex before finding the victim in an apartment, the statement said.

The suspect had fled but officers arrested him within two hours of finding the victim, police said.