Police are searching for the pilot of a catamaran that collided with a party boat on the East River, sending three people to the hospital with minor injuries. Meanwhile, city officials are investigating the death of a Rikers Island detainee, the eleventh in custody this year. Also, Yankees captain Aaron Judge has tied Yogi Berra for fifth on the team’s all-time home run list with his 358th career homer. Plus, GrowNYC’s Amelia Tarpey explains why melons are peaking at city farmstands, and WNYC’s Brittany Kriegstein reports on a viral water park in a Washington Heights bike lane.