A search for a serial bomber who began his crimes by exploding a bomb at the 1996 Summer Olympics in Atlanta. Law enforcement use every tool at their disposal, even NASA scientists, to help bring the bomber to justice.
The body of a murdered woman is found in a barrel along with an address book that has been soaked for over 30 years. Spectral imaging is used to recover the information from the address book, which gives the police the break they need.
The hunt for the so-called Green River Killer, who murdered over 50 women, is the focus. Catching him took an advance in forensic microscopy to indisputably link minute paint particles from the victims' clothes to the killer.