Two Placer County teenage girls were arrested for allegedly using drugged milkshakes to knock out the parents of one of the girls so they could log on to the Internet, Rocklin police said.
Internet access at the Rocklin home was routinely shut off at 10 p.m., said Lt. Lon Milka, a department spokesman.
Milka said that on Friday evening, a 15-year-old girl -- who had a 16-year-old friend from Roseville visiting -- offered to pick up milkshakes from a local fast-food restaurant for her parents.
The parents drank about a quarter of the milkshakes but didn't finish them, saying they tasted funny and were grainy, Milka said.
But the shakes -- loaded with prescription sleep aids allegedly provided by the friend -- were effective, and the parents quickly fell asleep.