HOLLISTER An investigation is underway into the unexpected death of a 9-month-old infant in Hollister, police said. The Hollister Police Department said it received an emergency call around 7:50 a.m. Thursday, reporting an unresponsive infant with no pulse and no signs of breathing. Officers arrived at the undisclosed address to find the infant unconscious, not breathing and without a pulse, police said. The infant was taken to an area hospital, where they were pronounced dead, police said.