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The gunman who shot and killed two people at a Maryland mall was a 19-year-old man who lived with his mother in the city of College Park and arrived at the shopping center in a taxi about an hour before opening fire, police said on Sunday.
But a day after Saturday's shootings, police could provide no immediate insight into why Darion Marcus Aguilar killed a young man and a young woman at the mall in Columbia, Maryland, about 20 miles (32 km) west of Baltimore, before apparently killing himself.
Police have yet to find any ties between Aguilar and the two people he killed, employees at a skateboarding shop at the mall, Howard County Police Chief Bill McMahon told a Sunday morning news conference.
"We do know that one of our victims also lived in College Park," McMahon said. "We don't know if there's any connection there or whether that's merely coincidental."
Aguilar fired six to eight shots from a 12-gauge shotgun, killing