Dr. Phil Re-Visits Spreckels Case

soon will have a second go-round on the Dr. Phil show, after Monday's taping, in which the host conducted interviews with Rebecca Zahau's family and the mother of Max Shacknai, the boy who suffered fatal injuries at the home.

Dr. Phil McGraw hosted Zahau's sister for that included . 

This time Zahau's loved ones will be joined by Dina Shacknai, according to CBS8, which airs Dr. Phil's show.

Shacknai has called on Coronado police . She maintains her son died at the hands of another, after she had private experts examine detectives' files.

The boy's father, Jonah Shacknai, has thanked and praised detectives for their work on the case.

A little over a year ago, t of a seven-week investigation into the deaths, which happened days apart in July 2011.

Zahau, 32, was determined to have hanged herself, though her body was found nude and bound hand and foot outside the residence. Max, 6, police said, died following head injuries suffered in a fall from the mansion's staircase.

Zahau's family has argued that she was killed, though they have never named a suspect they believe could be responsible. .

No air date has been set for the new Spreckels-focused show.

The mansion case is not the only sensational investigation McGraw is showing interest in. Two episodes this week, the first of his new season, focus on the victim and the alleged shooter in . 

Martin is the teen-ager who was shot and killed in Florida after a resident on a neighborhood watch suspected him of wrongdoing. The man now faces murder charges.