MNP #7: Teen shooter kills 3, injures 6 in small-town New Mexico

An 18-year-old from Farmington, N.M., walked out his door Monday morning and started firing an AR-15 at houses and cars, police say. 

Three women over 70, including a mother and daughter, were killed. Six others, including two police officers, were injured. The suspect was eventually shot and killed by police, and investigators are still searching for a motive. 

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