Seniors Bus Trip

A senior citizens' group charters a bus from San Angelo, TX to Branson. As they entered Missouri, an elderly woman comes up to the driver and says, "I've just been molested!"
The driver felt that she had fallen asleep and had a dream. So he tells her to go back to her seat, and sit down.
A short time later, another old woman comes forward, and claims that she was just molested.
The driver thought he had a bus load of old wackos, but who would be molesting those old ladies?
About 10 minutes later, a third old lady comes up and says that she'd been molested too.
The bus driver decides that he'd had enough, and pulls into the first rest area. When he turns the lights on and stands up, he sees an old man on his hands and knees crawling in the aisles.
"Hey gramps, what are you doing down there?" says the bus driver.
"I lost my toupee. I thought I found it three times, but every time I grab it, it runs away..