Jacob Ryan Evans, teen accused of murdering mom, sister, was reportedly inspired by "Halloween," planned more killings

(CBS/AP) WEATHERFORD, Texas - On Oct. 3, 2012, 17-year-old Jacob Ryan Evans says he hit some golf balls, ran errands with his grandmother and watched television at home. Then he allegedly took a gun stolen from his grandfather and killed his mother and 15-year-old sister, before turning himself in to authorities.

In a statement to police after his arrest, Evans said he hadn't meant to stop there. He was reportedly going to kill more relatives, but the planned spree was brought to a halt by an unexpected feeling of remorse.

The statement, which Evans wrote after he was taken into custody at his upscale Aledo home 20 miles west of Fort Worth, was obtained Thursday by several news agencies. The teen is charged with capital murder and remains jailed on $750,000 bail in Parker County.

Evans says he shot his younger sister Mallory and then his mother, Jami, but went back and shot his sister again after realizing she was alive, according to the statement. He also shot his mother again to make sure she was dead, he wrote.

After the shootings, Evans called 911 call and told the operator that he hates the feeling of killing someone, CBS DFW reports.

"I thought it would be quick, you know?" Evans says. "I didn't want them to feel any pain that's why I used the gun. It was like everything went wrong."

In his later statement to police, Evans says he had watched a remake of the horror movie "Halloween" where a character kills his family without remorse and thought "it would be the same for me when I kill someone."

Evans said he had planned to kill his grandparents who live across the street and his oldest sister who was there, as well as another older sister who was home from college, according to the statement. Authorities have said his father was out of town at the time.

In the statement, Evans reportedly says that after shooting his mother and sister, "I know now though that I'm done with killing. It's the most dreadful and terrifying thing I will ever experience. And what happened last night will haunt me forever."