41-year-old Jonathan Watson, a California inmate accused of killing two convicted child molesters with a cane last month, has publicly confessed to the murders. Watson added that he’d given prison officials plenty of warning before the attacks, but it fell on deaf ears. In a letter to Mercury News, Watson confessed to killing 48-year-old David Bobb and 64-year-old Graham De Luis-Conti just one week after he was transferred to California Substance Abuse Treatment Facility and State Prison in Corcoran. In the letter, he stated that a “child molester” moved into his pod six days into his stay at the prison....