(CNN) Orlando, Florida, police have closed their investigation into the shooting death of singer Christina Grimmie, and while it reveals little about the shooter's motive, several of his coworkers felt Kevin Loibl was obsessed with "The Voice" singer. The police department's report on the case is filled with curiosities. Among them: Loibl's family said he had no history of mental illness but lived "like a hermit" and covered his bedroom windows with aluminum foil and heavy curtains because of "an aversion to light." And though Loibl had no criminal record, St. Petersburg police responded to the family's home in 2014 because of a domestic disturbance involving Kevin Loibl and his father's girlfriend, the report says.Kevin Loibl's "only friend" told police his Christina Grimmie obsession jeopardized their friendshipWhen Loibl, pal last spoke, Loibl said, "I love you, brother" and claimed he was "ready to ascend"
Dennington said _'s colleagues "would good naturedly tease Loibl about his 'internet crush,' " the report says. Dennington said Loibl's colleagues "would good naturedly tease _ about his 'internet crush,' " the report says.