- Cosby's lawyers say decision not to prosecute in 2005 precludes current charges
- Former district attorney: "I knew I had bound the commonwealth" to nonprosecution
- Unrelated civil case in California against Cosby is dropped
Norristown, Pennsylvania (CNN)Former Pennsylvania prosecutor Bruce Castor may not want a judge to throw out recent sexual assault charges against Bill Cosby. But he conceded Tuesday he thought he barred the commonwealth from prosecuting the case 11 years ago.