Police on report man was making bombs: ‘Hindsight is 20/20’

FILE - This undated file image posted on social media by the FBI shows Anthony Quinn Warner. More than a year before he detonated a bomb in downtown Nashville on Christmas, officers visited Anthony Warner’s home after his girlfriend told police that he was building bombs in an RV trailer at his residence, according to documents obtained by The Associated Press. But they were unable to make contact with him, or see inside his RV. (Courtesy of FBI via AP, File)

A vehicle destroyed in a Christmas Day explosion remains on the street Tuesday, Dec. 29, 2020, in Nashville, Tenn. Officials have named 63-year-old Anthony Quinn Warner as the man behind the bombing in which he was killed, but the motive has remained elusive. (AP Photo/Mark Humphrey)

NASHVILLE, Tenn. — More than a year before Anthony Warner detonated a Christmas Day bomb in downtown Nashville, officers visited his home after his girlfriend told police he was building bombs in a recreational vehicle at his residence, according to documents. But they did not make contact with him, or see inside his RV.