proof he was involved. despite brown and caballero's conflicting versions of what happened, their stories were identical on one count. they had breakfast together just hours after dumping denise's body in the canal. >> they went to an i-hop restaurant. off of commercial boulevard and 441. in the city of tamarac. >> investigators tracked down the receipt for that meal. >> when it asked for the waitress to enter how many customers were present, it didn't say two customers. it said three customers. >> this explained why the 36 inch belt used to wrap denise's body didn't fit caballero or brown, and why the shoes without the shoe laces in caballero's apartment also didn't fit either one, as well. >> that led me to believe very strongly that i had a third killer. that i had a third individual