BOISE -- The Idaho man who lived for years with the mummified bodies of his dead wife and daughter inside his Rexburg home was in court Friday.

The preliminary hearing for David Kaneko had expert testimony from a psychologist who reviewed the journal entries of Loraine and Laura Kaneko.

Laura Kaneko, the daughter, reportedly showed clear indications of mental illness including bi-polar disorder and schizophrenia.

The psychologist said Loraine Kaneko, developed a shared delusional disorder with her daughter, and together they isolated themselves in their home and became unable to take care of their own health and safety.

The prosecution claims David Kaneko caused the deaths of the women by neglecting their mental illness and then abandoning them.

A judge ruled the state has a legitimate case against Kaneko. 

He faces five felony charges, including two counts of involuntary manslaughter.