FILE - In this Feb. 25, 2019 file photo Dimitrios Pagourtzis, the Santa Fe High School student accused of killing 10 people in a May 18 shooting at the high school, is escorted by Galveston County Sheriff's Office deputies into the jury assembly room for a change of venue hearing at the Galveston County Courthouse in Galveston, Texas. Pagourtzis' attorney Nick Poehl, says federal prosecutors plan to file charges against the former student after they had previously indicated they would not. Poehl says Pagourtzis was taken into federal custody Monday, April 8, 2019 and was set to appear in federal court in Galveston at 1 p.m. Poehl says he doesn't know what federal charges were filed. (Jennifer Reynolds/The Galveston County Daily News via AP, Pool, File)