More By allowing ads to appear on this site, you support the local businesses who, in turn, support great journalism. Manteca Police mask up when it is safe for them to do so Manteca Police officers — just like everyone else — are expected to wear masks when interacting with the public as part of the department’s COVID-19 protocols. That may not always be possible, however, as exceptions are made due to safety concerns, communication issues, or an emergency situation requiring swift action to prevent imminent danger to life or serious damage to property, or to forestall the imminent escape of a suspect, or destruction of evidence.