More than 30 crime scene investigators from the Broward Sherriff’s Office and the City of Miami and Miami-Dade police departments attended the FBI’s post-blast forensics training Nov. 8 and 9 here at Homestead Air Reserve Base, Fla. FBI agents gave students an up-close look at methods used to set off explosives, such as timed detonation cords. (U.S. Air Force photo/Dan Galindo)