On December 10, 2019, a mass shooting occurred at the JC Kosher supermarket located at 223 Martin Luther King Drive in the Greenville section of Jersey City, New Jersey, in which five people, including the two attackers and three civilians were killed, while another civilian and two police officers were wounded. A Jersey City Police Department detective was shot and killed at a nearby cemetery just before the attack at the grocery store.
It began when a police officer approached two persons at the Bayview Cemetery in regards to a murder investigation that he was conducting about an incident the previous weekend in nearby Bayonne. The police officer was shot and killed. His body was discovered and reported.
The suspects then fled in a stolen a U-Haul vehicle and drove about one mile to a grocery store, where they fatally shot three civilians and exchanged gunfire with the police for over an hour until they were shot and killed. The vehicle was later found to contain a live pipe bomb.
Two officers, one male and one female, were wounded in the shootout and were released from the hospital the same day.
On December 11, the shooters were identified as David N. Anderson (age 47) and his girlfriend Francine Graham (age 50). The two were killed by police during the siege. It was declared that the shooting was a targeted attack. There were postings that connected to Anderson's social page with anti-police and anti-Semitic writings.
At approximately 4:14 pm, Lamar Alexander and Ronnie Jerome Hill robbed the jewelry store, Regent Jeweler at Miracle Mile in Coral Gables, Florida. They held the store's cashier at gunpoint and stole diamonds. The two suspects exchanged gunfire with the store owner during the robbery, injuring one jewelry shop worker and hitting nearby Coral Gables City Hall with a stray bullet, causing that building to be placed on lock down.
Police were alerted when the store's silent alarm system went off. A minute and a half later, when officers arrived, the gunmen opened fire on the officers who returned fire on the gunmen. The gunmen left in a U-Haul van, which they later ditched in a suburban neighborhood one mile away.The suspects then carjacked a UPS delivery truck at gunpoint and took the driver hostage. The two continued their escape in the UPS truck, heading on Interstate 75 into Broward County.
A female store employee was shot and wounded in the initial robbery.