A man killed his step dad and stabbed his mother after they asked him to turn off his video game, police say. Christopher McKinney had been asked by his mother, 66, and stepfather, 71, to turn off the games he was playing at their home so they could go to sleep.
In response the 29-year-old allegedly punched his mum in the face and hit his step dad, so the older man went to get a knife to defend them both.
During the scuffle McKinney is said to have got hold of the weapon and turned it on his parents, during the horrifying incident in in Detroit, US,.
McKinney faces several charges relating to the incident, which happened at an apartment on the evening of December 11, according to Fox News reports.
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