A San Mateo man was arrested after police alleged he assaulted another man with a gun and was later found with drugs and an ...

Officials say that on Nov. 15, 2024, Colindrez was found in possession of a Johnson Arms & Cycle Works .32 caliber revolver and one black 9mm polymer pistol, along with 23 rounds of ammunition.

As recently as 2010, pistols chambered for 9mm ammunition accounted for less than 30% of all U.S. pistol production. Now, over 61% of all American-made pistols are chambered in 9mm.

Boston police arrested a 16-year-old boy at a large house party in Mattapan on Sunday night after he was found to be carrying a 9mm magazine loaded with ammunition, officials said.