Josh Nichols had been in Kansas visiting his father for the Easter break when the bomb exploded. Terry Nichols also has two other children from a second marriage. They could not be reached for comment. Saving a box of letters Dr. Charles P. Ewing, a University at Buffalo distinguished service professor emeritus who specialized in criminal law and child psychology, says incarcerated parents often try to patch up broken relationships with their children. “It is not uncommon for parents who have gone to prison for much less heinous offenses to be rejected by their children,” Ewing said. Padilla says she is saving Nichols’ unread letters to their son. “I have a little box with all the letters from Terry and I hope Josh will read them someday,” Padilla said. “I hope one day they will reunite, but I don’t know if it is too late for that.”