Hundreds of Americans die every year from accidental carbon monoxide poisoning. But, according to police in Ohio, one of those deaths, wasn't an accident - it was murder.

The intruder came in the night...assaulting women in upscale neighborhoods. And for 14 years he took every precaution to make sure he would elude capture.

In 2007 police found Tim MacNeil dead and his stepdaughter Brae Hansen tied up in his San Diego home. Brae described the attacker to police but a red flag went up when she referred to him as Nathan, her brother. Both were suspected and soon put in jail.

Tracy is forced to pull her gun during a dangerous confrontation. Angela investigates a home invasion robbery. Cheryl responds to a brawl at a barber college; and Yvette deals with a cross-dressing prostitute.

Focuses on people who go to extraordinary lengths to achieve their goals, including reports on the mystery of Lori Hacking, a Salt Lake City woman who disappeared and whose husband Mark has been arrested for the murder.

Report on problems which arise when children under the age of 17 receive unwanted sexual letters on the Internet. This program focuses on Lindsay, a 14-year-old suburban Florida girl who began receiving explicit love letters from a stranger in Greece.