"The dogs can reach speeds of up 30 m.p.h. and abruptly stop, start, turn, lie down, and stand up, causing the monkey to be violently jerked forwards and backwards and slide wildly from side to side," says the HSUS fact sheet, comparing the experience to that which rodeo participants endure.
Psychological stress and the living conditions of capuchins in traveling displays are additional concerns.
According to The Frederick News-Post, Lepard accrued citations between 2009 and 2012 from the U.S. Department of Agriculture for having expired pet medications and repeatedly failing to appear for inspections.
The ownership of primates as pets in the United States varies state-by-state and county-by-county. That said, many areas do prohibit the ownership of exotic pets, which includes monkeys.
The Ghost Riders did not immediately respond to The Dodo's request for comment.