A Mat-Su drug investigator and the union representing Alaska State Troopers are alleging political meddling in the Sherry Johnston drug case, including a delay in serving the search warrant because of the November election.

Johnston is the mother of Levi Johnston, who became nationally known in September when Gov. Sarah Palin and her husband, Todd, announced their daughter, Bristol, was pregnant and he was the father. Palin was running for vice president while Sherry Johnston was under investigation.

Alaska Public Safety Commissioner Joe Masters and troopers director Col. Audie Holloway vigorously dispute that there was anything irregular in how this case was handled.

"We worked very hard to make sure we conducted it just as fairly and as normally as any other investigation," Holloway said.

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