India, Nov. 3 -- Two fathers were in for a shock when their children collected what appeared to be candy from a porch in Ocean Beach while Halloween trick-or-treating, only to find out that they were psilocybin mushroom gummies. The San Diego Police Department is now investigating the incident.

It remains unclear who left the gummies outside the home, and whether they really contained illegal drugs.

Frank Cary and Cameron Hunter made the discovery while trick-or-treating with their children and other neighborhood families Saturday night, October 31. The parents said that they were walking just a few yards behind their kids when the children went to a porch with a bowl of what looked like candy. Cary said his two-year-old child grabbed a...