Worse, the school violence was getting out of control with two shootings in the last year alone.
He said Matthew was in Downingtown, outside Philadelphia, visiting his family when the shootings happened.
There were more shootings over the weekend, including two in Alabama on Saturday.
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If there was a failure to take appropriate action before the shootings, there must be accountability.
After the Newtown shootings, some states -- including New York -- passed tougher gun laws.
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He declined to speculate on whether the Newtown shootings might affect the Supreme Court's decision.
They are also suspected or charged in shootings in Alabama, Louisiana, Georgia, Arizona and Washington state.
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Since last year, the Trident unit's brief has been gang-related crime, especially shootings, regardless of race.
The shootings rattled Herkimer and neighboring Mohawk, villages about 170 miles northwest of New York City.
Eddie Ray Routh, 25, is accused of the shootings at a gun range on Saturday.
Music, TV and film were not the only media that reacted to the shootings.
Again regarding Chicago violence, up to 80% of the murders and non-fatal shootings are gang- related.
He had seen a psychiatrist professionally before the shootings, and he mailed that psychiatrist a notebook.
The shootings come after a year in which U.S. cities saw an increase in officers killed.
Mr. Biden met Wednesday with gun-safety advocacy groups, as well as victims and survivors of shootings.
Shootings may be commonplace in yakuza (gangster) films, but in real life they are unusual.
Cumbria Police deploy every armed officer in the county in response to the shootings.
Sir Ronnie said the indications were that these two shootings were carried out by loyalists.
The hunt for Dorner also led to two errant shootings in the pre-dawn darkness Thursday.
The original trial heard the shootings had been a botched gangland reprisal for a previous shooting.
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After he was arrested in the sniper shootings, Malvo, now 18, wrote to a fellow inmate.
Shootings occasionally interrupt the fragile ceasefire which has been in place ever since the conflict ended.
Such shootings have risen in the state in recent years, blamed on fatigue and stress.
Recently, the NRA blamed violent video games and other media for school shootings.
Hours were shifted so that more officers were working at night, when shootings peaked.
The fight over gun control, in the wake of the horrific shootings in Newtown, Conn.
But he testified that he can't remember the shootings, including who pulled the trigger.
Likewise, the number of shootings last year was the lowest in history, city officials said.
Mr Thompson's mother, Susan Johnson, survived Saturday's shootings by playing dead after she was shot.
Moments later, they received a call from Ms Johnson telling them of the shootings.
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