![](https://static.bangkokpost.com/media/content/20240715/c1_2829503_240715111923.jpg )
WASHINGTON - The 20-year-old gunman who tried to assassinate former President Donald Trump at a rally in Pennsylvania appears to have acted alone, FBI officials said Sunday, but investigators remain unsure of his motives and political beliefs and have not yet been able to determine what evidence might be on his cellphone.