Police on Long Island have a suspect in custody for the long unsolved Gilgo Beach murders, sparking reactions from locals. Meanwhile, as heavy rainfall threatens the Hudson Valley, a flood watch remains in effect until midnight for Westchester, Rockland, Orange, and Putnam counties. Finally, reporter Lee Helland, as part of the new series "I Tried It," shares her cryosauna experience with WNYC host Tiffany Hanssen.