The bombs used in Texas are hidden in parcels, similar to devices made by the Unabomber. "It puts law enforcement and police in a down power dynamic and instills power on the person," he said. Kaczynski’s choice of targets is what led investigators back then to use the acronym UNABOM (UNiversity and Airline BOMber) to identify him. It wasn’t until his Manifesto was published in 1995 when Kaczynski wrote a letter to the Washington Post and the New York Times demanding that they print his 35,000-word diatribe. "They're looking to see if they can determine a signature for the bomber," she said of investigators.

Source: Fox News March 20, 2018 18:42 UTC