Having his own reservations, he informed John Hammond "in 48 hours he'd shut him down." In turn Hammond responded "that in 48 hours he'd be accepting his apologies." After witnessing a real Brachiosaurus and watching a tour show, the scientists criticize Hammond's park for various reasons, Gennaro is the only one left who supports the concept, but Gennaro changed his views and believed Jurassic Park could make a fortune. When the electric fence around the Tyrannosaurus paddock fails, Gennaro is overcome by fear and abandons Tim and Lex. Hiding in a toilet stall, he is subsequently eaten by the Tyrannosaurus moments after it breaks out of its pen.