How Did Guy Hooper Find Ebby's Car?

Five months after ebby went missing, monny goes back to shal mont park. He's looking for anyone who may have been in the area where ebby's car was found. Guy hooper is a security guard who patrols shalmont park on a regular basis. Monny gives this information to the police and then stops his investigation. For afew months, he still hopes the police will handle it, but then nothing happens. So he gets back on the case. A deputy prosecutor told him that there wasn't enough probable cause to seize his phones.