Sins and Secrets - Season 4

In 1998 police found Ronald Shaw shot dead outside his home. His wife claimed three masked thieves committed the crime, but evidence soon suggests that this shooting wasn't random.

In 2009, Dana Clair Edwards was found murdered, and evidence surfaced suggesting it wasn't a random crime. The identity of the killer was more shocking than anyone could imagine.

On Valentine's Day 1998, a woman approached the front desk of a St Michaels, MD resort to report a fire in her hotel room. Pulling a charred body from the smoke, investigators braced themselves for a holiday to remember.

In 2009, humanitarian Grady Nichols was shot on his back porch in an apparent botched robbery. Only a surprise confession would reveal the truth about Grady's death.

In Oakland, California, journalist Chauncey Bailey was gunned down in broad daylight by a masked man. Evidence soon surfaced that indicated it was the culmination of a deadly conspiracy at the heart of one of Oakland's most beloved institutions.

In 2009, in the quiet town of Pryor, Oklahoma, investigators find a local volunteer firefighter, Michael Cobb, beaten to death and set on fire in his own house. Investigators have reason to believe that someone close to him might be responsible.

Kathy Loreno enjoyed the simple life in Raymond until she up and vanished. Only a chilling account offered 9 years later would reveal the awful truth about Kathy's whereabouts and two more missing locals - last seen in Raymond's real-life house of horrors.

In 2002 in Topeka, Kansas, newly engaged Michael Sisco and Karen Harkness were brutally shot while they slept. Investigators would dig up family vendettas, scour the state for evidence, and save it from the cold case files before the truth would come out.

In 2008, an aspiring model was found beaten to death in her apartment in Greeley, Colorado. As the investigation continued, it was revealed that not everyone in Greeley was who they seemed.

In 1999, May Greineder was an ordinary homemaker in the upscale enclave of Wellesley. That is until May's husband found her butchered body sprawled on a walking path. Instead of a suspected serial killer, Police found a cover-up of deadly proportions.