Clemens' Attorney Changing Ways to Serve McNamee

Offense has been Roger Clemens' defense these past few weeks, and the seven-time Cy Young Award winner took another shot Thursday at Brian McNamee in his continuing effort to discredit his former personal trainer.

Clemens' attorney, Rusty Hardin, released a "motion for substituted service" to show that Clemens has been unsuccessful in his attempt to physically serve McNamee -- who told federal agents and baseball steroids investigator George Mitchell that he injected steroids and human growth hormone into Clemens -- the papers for his defamation lawsuit, which was filed Jan. 6.

Clemens' Camp Says it's Tried to Serve Papers to McNamee

Representatives for Roger Clemens fired back at Brian McNamee's camp on Thursday after McNamee's lawyer called Clemens' vow to file a defamation suit against his client a "public relations ploy."

Joe Householder, a spokesman for Clemens' lawyer, Rusty Hardin, accused McNamee of avoiding being served papers.

New-style Private Investigating Firm is a Family Affair

With GPS capabilities on cars and phones and skip-tracing made easier with the Internet, private investigation isn't what it used to be.

Couple that with the focus Excel's taken in the past years - process serving - and there are days when employees don't leave their lush office chairs.

"It's not as glamorous, but somebody has to do it," Keith said. "You're not going to find this guy at a rock concert then track him down to his seat and say: 'Here. You're served.' "