Crossword clues for First responder: Abbr. 3 lettersAnswerClueEMTCertain first responder: Abbr.EMTFirst responder: Abbr.EMSFirst responders: Abbr.EMTFirst responder, say: Abbr.EMTFirst responder, often: Abbr.EMSFirst responder crew: Abbr.EMTFirst to respond, often (abbr.)EMTSFirst responders (abbr.)EMTSSome first responders (Abbr.)EMTSFirst responders, often (abbr.)BFFSFirst responders in a crisis?: Abbr.