GYPSUM, Colo. – A second person is in custody after an altercation between teenagers in Gypsum turned fatal. On the night of Wednesday, April 24, deputies with the Eagle County Sheriff’s Office responded to a reported disturbance at Second Street Park in Gypsum. When they got there, deputies found that “multiple teenagers had been involved in an altercation” and one of them sustained serious injuries, the sheriff’s office said.