Houston police said the gunman in the shootings that wounded nine, one critically, had two weapons and more than 2,500 rounds of live ammunition and was shooting at random before he was shot and killed by police.

Police are not naming the suspect before the medical examiner makes a positive identification and next of kin is notified, Houston police homicide Capt. Dwayne Ready said.

Authorities said the man had two legal guns, a .45 semi-automatic handgun and a tommy gun, as well an unsheathed knife and more than 2,500 rounds of live ammunition. He had a concealed weapons permit.

Ready said that other weapons besides the handgun found by the gunman’s body and the tommy gun found in his vehicle were at the man’s home. Ready would not describe those weapons.

Ready and Interim Police Chief Martha Montalvo did not identify the man and did not have information about a motive. Mayor Sylvester Turner told KTRK-TV that the lawyer was “disgruntled” and was “either fired or had a bad relationship with this law firm.” A tweet from the Houston Police Department said investigators were working to determine if “issues at the firm” led to the shooting.

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