Cold Cases / Anniss, Matt

Explains that old unsolved crimes called cold cases are kept on file, but when new evidence or new crime-science techniques become available these cold cases are reopened, and describes techniques that can be used including bloodstain analysis, ballistics, forensic document analysis, DNA analysis, and more.

Readers learn about painstaking detection techniques such as bloodstain analysis, ballistics, toxicology, and DNA profiling. These are just some of the invaluable tools of law enforcement referenced that are helping police solve the most perplexing cold cases.