Luke Helder
| Luke Helder | |
|---|---|
| Helder's FBI mugshot | |
| Born | Lucas John Helder May 5, 1981 | 
| Occupation(s) | Student, Musician | 
| Criminal status | Incompetent to stand trial, committed to Federal Bureau of Prisons mental health center | 
| Criminal charge | Mailbox pipe bombing | 
Lucas John Helder (born May 5, 1981) also known as the Midwest Pipe Bomber, is a former University of Wisconsin–Stout student from Pine Island, Minnesota, known for being the suspect in a series of pipe bombings.
He was arrested in 2002 as a suspect in pipe bombings in mailboxes, which injured several people. In 2004, he was found mentally incompetent to stand trial and is still incarcerated in a federal medical facility.