(Orem, UTAH) -- The suspect arrested in the fatal shooting Charlie Kirk had an "obsession" with the conservative influencer, based on the alleged shooter's digital footprint, FBI Co-Deputy Director Dan Bongino said Monday on Fox News.
Tyler Robinson, a 22-year-old Utah native, is accused of fatally shooting Kirk during an event at Utah Valley University on Aug. 10.
On Friday, Erika Kirk, the conservative commentator's wife, said "no one will ever forget my husband's name."
ABC News' Luke Barr contributed to this report.