Patrolman Colligan started his career working part time for the Aldan Police Department in 1995. A graduate of Delaware County Police Academy, he was made full time in January 2005. Patrolman Colligan is a member of the Pennsylvania Juvenile Officers Association. He is a Field Training Officer (FTO). He is trained in both lifting and comparing fingerprints and has attended the FBI Intercounty detective School for criminal investigations. Along with patrol duties, he is currently the criminal investigator for the Police Department.
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