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Mass Shootings

Shootings with multiple victims. ColdCaseIndex documents 3 cases of this type, of which 0 are recorded as unsolved.

Status of the 3 cases
  • Solved or convicted 3 (100%)

By state or country

1 Connecticut1 Florida1 Ohio

All 3 cases

Solved 2019

Dayton Shooting

Nine people were killed and 17 wounded by gunfire when Connor Betts, 24, opened fire in Dayton's Oregon District at about 1:05 a.m. on August 4, 2019.

Ohio Mass Shooting
Conviction 2018

Parkland Shooting Victims

Nikolas Cruz killed 17 people and wounded 17 others at Marjory Stoneman Douglas High School in Parkland, Florida. He was sentenced to life without parole.

Florida Mass Shooting
Solved 2012

Sandy Hook Victims

Twenty first-grade students and six educators were shot dead at Sandy Hook Elementary School in Newtown, Connecticut, on December 14, 2012.

Connecticut Mass Shooting

Other case types

352 Homicides203 Missing Persons65 Multiple Homicides65 Serial Killer Cases35 Unidentified Persons33 Suspicious Deaths19 Abductions3 Mass Shootings3 Sexual Violence Cases2 Child Abuse2 Sex Trafficking Cases1 Historic Injustice Cases1 Arson Cases1 Fugitive Cases
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A searchable database of documented cold cases and historic crimes, compiled from public records and cited reporting.

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Murder Accountability Project NamUs The Charley Project

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