Really?? Man killed his girlfriend for calling out another man's name during sex

The young man whose name is Fidel Lopez killed his girlfriend identified as Matia Nemeth after having sex with her because she called out the name of her ex husband while he was having sex with her.
...He ripped out her intestine...

He called the paramedics to save her and at  first said to the police that he and Ms Nemeth had been drinking tequila in their apartment and at some point began to have sex. He told investigators the woman had asked him to insert a beer bottle inside her. When she went into the bathroom to vomit and he later found her having trouble breathing and he called 911.

But it was reported that he later changed his story and revealed he got angry when Maria called out her ex-husband’s name during sex.