It all started with a panicked phone call, followed by a web of lies that ultimately ended in a shocking discovery.

His arrest, soon afterwards, was a "sliding doors moment", said Det Ch Insp Khanna ... His parents were separated, but both of them and his school had concerns about Prosper and he was referred ...

Secrets of the Sliding Door follows Staten Island educator Simeonette Mapes-Crupi, who was brutally killed by her husband, ...