Multiple gunmen shot 12 people near the Old West End Festival in Toledo, Ohio on June 6, wounding two critically; no arrests have been made.

A gunman killed an 18-year-old and wounded three others, including an 11-year-old, in a Fairfield, California high school parking lot during a graduation ceremony on June 4; no suspects are in custody.

The San Diego mosque attack was a hate-driven mass shooting in which two online-radicalized teen gunmen used white supremacist accelerationist ideology, anti-Muslim target selection, livestreamed violence, and a propaganda-focused manifesto to frame the killing of three mosque community members as part of a broader effort to inspire racial and ideological violence.

Two teenage attackers killed three at the Islamic Center of San Diego before dying by self-inflicted gunshot, with the mosque security guard credited by police as pivotal in preventing a larger event; FBI and SDPD are working the case as a hate crime.

A 22 day multi state manhunt for the Iowa City pedestrian mall mass shooting suspect ended with a metro Atlanta hotel arrest by US Marshals, with five attempted murder counts now filed against the 17 year old.

An arrest, suspect identification, and pending felony murder charges have moved the Arcadia Lake mass shooting from manhunt to active prosecution, with at least one additional shooter still at large.