Pennsylvania Sex Attack

Bill Cosby's lawyers on Tuesday formally appealed his conviction for drugging and sexually attacking a former friend at his home near Philadelphia 15 years ago, citing what they called errors in legal procedure that allowed trial testimony and evidence the defense contends should have been excluded.

Bill Cosby's lawyers on Tuesday formally appealed his conviction for drugging and sexually attacking a former friend at his home near Philadelphia 15 years ago, citing what they called errors in legal procedure that allowed trial testimony and evidence the defense contends should have been excluded.