According to Pennsylvania State Police, on Saturday a 16-year-old stabbed his 17-year-old girlfriend to death as the two were in the middle of an argument. When the teenager returned home, bloodied and crying, he reportedly confessed to his mom.
As NBC Philadelphia reports, the crime took place Saturday night at roughly 8:30 p.m. along a hiking trail near Skippack Township, a suburb of Philadelphia. Juliane Siller, 17, and her boyfriend, Tristan Stahley, 16, were walking on the trail when they got into an argument, reportedly over an accusation that Siller was going out too much.
The argument escalated and police say Stahley stabbed Siller in the throat, killing her, and dragged her body off the trail and into the woods.
Stahley then walked home, where his mother noticed he had been crying and had blood on his legs. She asked if he was okay. He responded that he wasn't and proceeded to tell her what he'd done. When she asked if he was joking, he told her he wasn't, and he began crying hysterically. As Stahley waited outside, his mother called police.
Before police arrived, Stahley's father found his son outside with another knife to his neck, threatening suicide. The father tackled Stahley, eventually wrestling away the knife but not before being cut on his face and hands.
Police arrived not long after and arrested Stahley. He was charged with first degree murder, third degree murder, and possession of a weapon.
According to his mother, Stahley was on anti-depressant medications and had recently been treated for a drug addiction. The 17-year-old Siller was a high school senior and was set to graduate on June 12. The two had dated for roughly nine months.
"This whole incident is just a tragic case, said Montgomery County First Assistant District Attorney Kevin Steele. "You have a young woman whose life was taken from her and a 16-year-old who faces potential life in prison for his actions."
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