'Creepy, crazy and weird': Former classmates say Texas gunman was an 'outcast' who 'preached his atheism' online before killing 26 in the state’s worst ever mass shooting

Devin Patrick Kelley, 26, shot dead 26 people and injured 24 others in Texas
Walked into First Baptist Church of Sutherland Springs in Texas and opened fire
He was wearing black, tactical gear and carrying a military style assault rifle
Kelley was shot by local Stephen Willeford, 55, and died after a car chase
Former classmates have described him as an 'outcast', 'creepy' and 'weird'
Another said he talked 'about how people who believe in God were stupid'
LinkedIn reveals Kelley was an Air Force veteran and ex-Bible studies teacher
He was court martialed in 2014 for two counts of assault on his spouse and child
He was living in New Braunfels, a suburb of San Antonio, and was married

The Virginian