There will be swift justice for Whitey Bulger. The Boston mobster, arrested late Wednesday in California, has returned to Boston, the scene of his alleged crimes, from Santa Monica, Calif., where he was arrested after 16 years on the lam. He’s headed from a private jet flight to the courthouse, where he will appear before two federal judges. Bulger, 81, will face indictments on 19 counts of murder and assorted other charges including extortion, money-laundering, and conspiracy to commit murder. He already appeared in court in Los Angeles Thursday, where he declined to protest his extradition to Massachusetts.