A Utah teen, who lured his 12-year-old neighbor from home by claiming he needed her help to find his lost cat, has pleaded guilty to the girl's 2015 rape and murder, according to multiple news sources. Jayden Sterzer, now 18 – who sexually assaulted and then strangled Kailey Vijil with his tank top – is likely to remain in juvenile detention for another three years until he turns 21, then faces a possible adult prison term of 15 years to life, reports the The Salt Lake Tribune , the local TV station Fox13 Salt Lake City and Good4Utah.com . Sterzer was 15 at the time the crimes were committed but his legal team claims he has the intellectual capacity of a toddler. On Monday he accepted blame by pleading guilty in juvenile court to rape of a child, followed by guilty pleas in adult court to first-degree murder and second-degree sexual abuse of a child. He will be formally sentenced Jan. 19 on the juvenile court plea, then return at a later date to f...