Fullerton Police Chief Dan Hughes went through it. So did Capt. John Siko. So did a handful of 10 detectives, half of the department’s 20 sergeants and numerous rank-and-file officers. We’re talking about the Fullerton Police Department’s Cadet program, where close to 60 percent of the agency’s sworn officers got their first real exposure to a law enforcement career. Working closely with sworn personnel, cadets generally range in age from 18 to 23 and cycle through several units, taking on tasks that include record keeping, processing traffic citations, finger printing, evidence storage and taking reports. They go on regular ride-alongs…