I know I read that Lovell called on the way to the door. I will have to look for it later.https://www.washingtonpost.com/news...-dead-and-the-homeowner-is-accused-of-murder/
There may be more recent information, but the police were not initially saying they knew who called.
Much of this hinges on the timeline, which has not been made public.
The case really relies on the fact that Dylan was unarmed and never threatened Lovell with harm. And the biggest piece of evidence is that Dylan never entered through the locked door. No matter how afraid Lovell was he did the wrong thing. He might of had a a case if the boy actually entered the house or at least threatened Lovell. But he didnt.