(CNN) Police officers will often tell you there's no such thing as a routine call when you're patrolling the streets.
But when Albuquerque police officer Ryan Holets responded to a possible theft at a nearby convenience store, it had all the hallmarks of a mundane assignment he could quickly clear from the call log.
It didn't turn out that way.
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As Ryan left the convenience store on September 23, he noticed out of the corner of his eye a couple sitting on the grass against a cement wall. It appeared the man and woman were shooting up heroin in broad daylight behind the convenience store.