Transcript for Teenager allegedly plotted to kill Joe Biden, federal prosecutors say
We are learning a teenager is in custody. Federal authorities say there was a plot to assassinate Joe Biden. Pierre Thomas now. Reporter: Tonight, a Seattle man is in custody as authorities investigate a potential plot to kill presidential candidate Joe Biden. Newly available court documents offering chilling details about 19-year-old Alexander treisman. Treisman bought an ar-15 style rifle and traveled within four miles of the vice president's home this spring. Investigators also discovered a written checklist that ended with the word "Execute." In April, posting a meme with the caption "Should I kill Joe Biden?" Triesman first drew the attention of authorities after he was first arrested in may when employees at a north Carolina bank reported his van abandoned in a parking lot. They discovered the ar-15 style rifle, a canister of explosive material and boxes of ammunition. They also discovered he had an interest in for attacks and mass shootings and had traveled around the country purchasing weapons in various states. Last mobt month he was charged with possession of child pornography.
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