does any1 know the 1st F.B.I G-MAN that was shot & killed.i have it from a source it was a family member?

Question

i have have been told by my grandmother it was my great-great-great uncle i was just wondering if any body can confirm it

Answer 1

October 11, 1925
Auto thief Martin James Durkin shot and killed Special Agent Edwin C. Shanahan while Shanahan tried to arrest him. Agent Shanahan was the first BOI agent killed in the line of duty.