Three dead, 18 first responders exposed in Mountainair overdose call. NM State Police, state cops with nationwide jurisdiction, lead the response.
New Mexico State Police say three of the four people inside a Mountainair home have died after a suspected overdose. Eighteen first responders were exposed to an unidentified substance and are hospitalized or being monitored. Hazmat teams are identifying the substance; authorities say there is no threat to the public.