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Dr. Mark Weinberger and his wife Michelle were vacationing in the Greek Islands when he vanished, leaving behind financial ruin and a growing number of malpractice suits. The question of his whereabouts remains unanswered for five years, until a woman halfway across the world discovers the truth. Rob Stafford reports.

In this Dateline classic, Rusty Sneiderman was a young entrepreneur whose world comes crashing down one morning with four gunshots. A fatal triangle is revealed: Was this a crime of passion? Dennis Murphy reports. Originally aired on NBC on March 16, 2012.

A Michigan community is shocked when a local mother is found stabbed to death. After the case goes cold for more than a decade, a bombshell reignites the investigation. Andrea Canning reports.

When Stephen Moore suddenly disappears in New Jersey, his whereabouts remain a mystery until a car erupts in flames in a nearby town, leading to a major break in a case. Andrea Canning reports.

In this Dateline classic, beloved fire chief, Keith Bryan, is a pillar of his community. Then, when he is shot in his home, police are left to wonder who would want to hurt the local hero? Turns out, someone was living a secret life, and it was about to be exposed. Andrea Canning reports. Originally aired on NBC on August 2, 2013.

In this Dateline classic, young newlyweds, John and Linda Sohus simply vanish. There was no reason to suspect foul play until an eerie discovery tied to a case that made international headlines, and was linked to the name of one of America’s most famous families. Mike Taibbi reports. Originally aired on NBC on January 27, 2012.

Justice came in August 2013 for John Sohus. His wife Linda is still missing.