William Richards learned last week that California’s Supreme Court granted his habeas relief, vacated his murder conviction (he’s served 23 years already) and sent the case back down to the trial court. The San Bernardino County District Attorney (the same office prosecuting Charles Merritt) will decide whether to retry Williams. The court’s decision, together with concurring opinions, details the controversial bite mark evidence that ultimately led the court to reverse its 2012 decision NOT to vacate Williams’s conviction. The California Innocence Project has been fighting to prove Richards’s innocence for 20 years. Richards was tried three times for the August 10, 1993 murder of his wife Pamela. The first two juries deadlocked. At the first attempt to try him a third time, the judge recused himself. Ultimately, Richards faced another judge and another jury. In 1997, at the third trial,…