9-1-1: Jennifer Love-Hewitt Admits It’s ‘Not the Same’ Without Peter Krause (Exclusive)

‘9-1-1’ star Jennifer Love-Hewitt chats with ET at the premiere of her new film, ‘I Know What You Did Last Summer,’ in theaters on July 18. Plus, her co-star, Freddie Prinze Jr., weighs in on what’s scarier: this film or raising teenagers?