By Allan Lengel

WASHINGTON — Signs of life in the perjury investigation into seven-time Cy Young winner Roger Clemens surfaced Tuesday when a key witness in the case testified before a federal grand jury in Washington, the AP reported.

Clemen’s former personal trainer Brian McNamee spent more than 2 1/2 hours inside the U.S. District Courthouse where the grand jury conducts business, AP reported.

Authorities are investigating whether the baseball star lied to Congress in 2008 when he said he hadn’t taken steroids or human growth hormones.

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