Chris Hamberg, center, and Mercer County Sheriff's detectives Doug Timmerman, left, and Lance Crum, review a file dealing with the recently solved Felony Lane Gang case. Hamberg is now a detective with the Bureau of Criminal Investigation & Identification.

Chris Hamberg likens crime solving to putting together a jigsaw puzzle. Sometimes the pieces fit together easily; other times they defy placement despite multiple attempts. Hamberg, a former detective with the Mercer County . . .