Death penalty tossed in killing of rocker’s mom

This June 8, 2007 photo provided by the California Department of Corrections shows convicted murderer, John Riccardi. On Monday, July 16, 2012, the California Supreme Court tossed out the death sentence for Riccardi, who is convicted of killing rock guitarist Dave Navarro’s mother nearly 30 years ago. The ruling, which says the judge improperly barred from the jury anyone who said they opposed the death penalty, impacts an untold number of inmates on California’s Death Row, including Scott Peterson. (AP Photo/California Department of Corrections)The California Supreme Court on Monday tossed out the death sentence of a man convicted of murdering rock guitarist Dave Navarro's mother and her friend nearly 30 years ago — a ruling that could affect the cases of Scott Peterson and other death row inmates.