In the conclusion of the series, the desperation to find Susan grows as the investigation takes a secret route. Operation Tsunami entails wiretaps and a public event where Steve proudly declares he has a piece of evidence in his possession, little does he know it's a different piece of evidence that ends up being just the thing to put him behind bars.
Steve is arrested on charges of felony voyeurism and possession of child pornography. Josh Powell loses custody of the boys as the family crumbles around him.
On February 5, 2012, Josh Powell kills himself and his two sons in a shocking turn of events as he's having a supervised visit.
Falling under the pressure of the investigation, Michael Powell, Josh's brother also commits suicide.
The turmoil left behind also leaves a mystery as the Cox's try to pick up the pieces with no one left to answer the questions.
The episode also entails some updates on the evidence obtained.
TW: child murder, suicide
