Teen Gets Life In Prison For Killing Friend's GrandmotherThe Willmar teenager who pleaded guilty to killing his friend's grandmother has been sentenced to life in prison without parole. Brok Junkermeier, 19, admitted to choking and then stabbing Lila Warwick at her home on July 29, 2013. He had hatched a plan with her grandson to steal her money. He described his actions in court last week. He said after he forced her to write a check to him, he strangled her for 20 minutes. After that, he got a dagger and started stabbing her because, as he confessed, "I didn't think she was dead."