Guam - A veteran police officer who was taking part in the Guam Police Department's SWAT training Cycle 9 has passed away. The police officer collapsed during training Wednesday morning in Mangilao and was rushed to Naval Hospital in Agana Heights. The 49-year-old officer had been in critical condition since the incident. The officer was identified as Siegfried “Dove” Mortera. He had been with GPD for 17 years.