Investigation into woman's con helps unravel murder case | 20/20 ‘Small Town, Big Con’ Part 1

Missouri insurance agent gunned down in office | 20/20 ‘File M For Murder’ Part 1

Miriam Helmick reports her husband Alan was murdered in their home | 20/20 ‘Run, Run, Run’ Part 1

Businessman killed when car explodes at country club | 20/20 ‘Explosive Secrets’ Part 1

Beloved Florida father seemingly vanishes| 20/20 ‘The Lies Beneath’ Part 1

College teen vanishes while home on winter break | 20/20 ‘The Last Text’ Part 1