Payton S. Gendron, 18, of Broome County, was arraigned before Buffalo City Court Judge Craig Hannah on a first-degree murder charge. If found guilty, he faces a life sentence in prison without the possibility of parole.
Watch now: Buffalo police commissioner discusses Tops mass shooting
From the Complete coverage: 10 killed, 3 wounded in mass shooting at Buffalo supermarket series
Buffalo Police Commissioner Joseph Gramaglia briefs the media on the mass shooting that killed 10 people at the Tops Markets on Jefferson Avenue in Buffalo.

