I thin this is a good summary of the kind of motive that is being developed:He had photos of multiple political figures on his phone. It seems like he wanted to cause damage on a catastrophic level, but it needed to be someone famous for him. He wanted to be someone, maybe even for once in his life.
- If I murder John Lennon, I become like John Lennon- if only for a moment.
- If I cant get to Trump, then my ticket to "fame" will be Biden- or the current mega popular pop star.
- Wow, I am getting to Trump- cant believe its sooo easy!!