Yes, believe it or not, Christians are capable of extreme acts of violence in accordance with their faith In this case, we got college roommates, in which one (a devout christian) beheads his roommate with a sword because he thought the roommate is conducting witchcraft. 

A deeply Christian college student in Oklahoma allegedly nearly decapitated the son of a state trooper with a sword because the victim practiced witchcraft, police say.
Isaiah Marin of Stillwater was charged Thursday with first-degree murder in the attack that killed 19-year-old Jacob Andrew Crockett a day earlier.
The two had been playing cards with a third pal, Marin's brother, when Marin removed the 'large black sword' from its sheath and began swinging it around, court records obtained by Mail Online show.
Devout Christian Isaiah Marin , 21, allegedly hacked 19-year-old Jacob Crockett (right) with a sword because of the victim's interest in witchcraft
Crockett, the son of an Oklahoma Highway Patrol trooper, suffered several stab wounds and had his head 'mostly severed' from his body
'I would never cut you, bro,' Marin assured his brother when asked to be careful.
Moments later, the brother told police, he heard 'the sound of someone getting stabbed.'
He looked up and saw blood gushing out of Crockett's chest.
Crockett, the son of an Oklahoma Highway Patrol trooper, suffered several stab wounds and had his head 'mostly severed' from his body. Cops found him lying in a pool of blood.
Marin ran from the scene, sword in hands, and called police from a restaurant parking lot.
'I murdered someone,' he told the dispatcher, according to court records. 'I hacked them to death with a machete.