SANTA FE, N.M. (AP) — A high school student who killed three women in northwestern New Mexico with an indiscriminate spray of gunfire left a cryptic note presaging “the end of the chapter" and wore a bulletproof vest that he discarded before being shot to death by police, authorities said Wednesday.

Police added new details to the profile of the lone gunman and the weaponry he used as he walked through his residential neighborhood before being confronted by officers and fatally shot outside a church. The shooter discharged more than 190 rounds during the rampage, according to authorities, most of them from the home he shared with his father.

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