on the ride home, veronica asks for keith's help in investigating weevil's crime. the two put on an act—veronica feigns pregnancy and asks the concierge whether or not there they can track the credit card number (which she hands to the concierge). they hand back the bill summary and veronica deduces that logan's girlfriend, caitlin (paris hilton) paid for room service on the echolls family credit card one night. troy invites veronica to a party, despite knowing about her exclusion from the popular group. veronica calls the numbers on the credit card summary. when one of the phones is busy, she asks her dad to run a check on it. meanwhile, weevil's cousin chardo (wilmer calderon) threatens logan. veronica then pressures weevil's cousin into confessing that he was behind the fraud, which he confirms. he was also secretly carrying on an affair with caitlin, thus explaining the room service bill.