Mother of Palin's daughter's boyfriend arrested

Just when you thought they'd go away ...

Alaska State Troopers have arrested the mother of Bristol Palin's boyfriend on drug charges.

Sherry L. Johnston was arrested Thursday after troopers served a search warrant on a Wasilla home.
The 42-year-old Johnston has been charged with six felony drug counts.
Troopers did not identify the drug involved in a brief mention on the agency's Web site.
Johnston is the mother of 18-year-old Levi Johnston.

Alaska governor . Sarah Palin, the former repugican nominee for vice president, announced in September that her 18-year-old daughter, Bristol, was pregnant and Johnston was the father.

Sherry Johnston was released from jail in Palmer on $5,000 bail.
She was not scheduled to be immediately arraigned.
Alaska State Troopers spokeswoman Megan Peters said no one else had been charged.
Other details could not be immediately released Friday because the investigation was ongoing, she said.

Palmer District Attorney Roman Kalytiak said information on the case had not yet been forwarded to his office.