HLN

S13 E31 — Hair Line By cutting a strand of a murdered man's hair into sections, forensics reveal a record of his last six months alive, and find he was frequently ingesting huge amounts of arsenic.

S13 E32 — All That Glitters Is Gold A bullet-riddled car, a missing driver, and no witnesses, an ambush or a random attack; the clue was something so tiny, it was measured in millionths of a meter.

S13 E33 — Deadly Rebellion Teenager is found half-naked with her throat slit; a single foreign hair found on her thumb may finger the killer.

S13 E34 — Sign of the Crime Two women who lived in the same apartment complex were brutally murdered; the similarities of the crime scenes led police to believe they were dealing with a serial killer who hated women, and they had to find him before he struck again.

S09 E13 — Making the Collar The body of a 16-year-old girl is discovered nine months after her disappearance; forensic scientists find clues that paint a virtual portrait of her killer.

S09 E14 — Financial Downfall A young woman falls to her death in what appears to be a tragic accident; a forensic exam of photos taken at the scene tells a different story.