was driving. >> there was a pickup, the pickup appeared to be a red color. >> the man bought the suitcase with a credit card. >> we discovered the name of rosinda rodriguez as the man who had used this kred card. >> and records showed that same card was used just minutes later to buy gasoline. investigators noticed there was a hotel across the street from the gas station. >> a female there that works at the front deck recognized rosendo from a driver's license photo. she said he registered under thomas rodriguez. >> the hotel room key provided investigators with some important information. >> it doesn't show when you leave your hotel, but every time someone enters and uses one of those card keys when they enter into a hotel room, a record is kept of that. >> the hotel key revealed rodriguez entered his hotel room