India, Feb. 28 -- Nine months after a 20-year-old gunman attempted to assassinate former President Donald Trump at a rally in Butler, Pennsylvania, the motive behind the attack remains unclear. The lack of a manifesto or any definitive explanation has left authorities and those who knew the shooter, Thomas Matthew Crooks, searching for answers.

According to the NY Post, sources close to the situation suggest that the FBI has hindered efforts to determine why Crooks carried out the attack. According to sources, local law enforcement, former classmates, and even private investigators have been left frustrated by the lack of information. The shooter's parents, Matthew and Mary Crooks, have refused all interviews and now live in seclusion, r...