The second of three lab monkeys that escaped a crash on Interstate 59 in Mississippi last week was shot and killed Monday evening, Jasper County Sheriff Randy Johnson confirmed Tuesday afternoon. One monkey remains on the loose, Johnson said.

Three monkeys remain at large after truck crash in Mississippi released 21 primates from Tulane University research program allegedly funded by NIH, sparking public safety concerns.

A truck carrying rhesus monkeys from Tulane University crashed on Oct. 28, causing several of them to escape from the vehicle.

But in the days since the monkeys escaped, authorities have left questions about the crash largely unanswered. It's still unclear where the monkeys were headed and why some of them had to be killed, and the agencies involved have largely shut out attempts to get more information.

Authorities in Mississippi are searching for a missing lab monkey after a transport truck carrying the animals crashed on Oct. 28.

Officials said the monkeys weigh about 40 pounds each, are aggressive toward humans and require personal protective equipment to handle.

A truck transporting laboratory rhesus monkeys overturned on Interstate 59 in Mississippi, releasing primates and prompting a large-scale response.

Working with Mississippi Wildlife and Fisheries, officials wrangled some of the monkeys by the end of the day. The department is reportedly now in contact with an animal disposal company to help handle the monkeys that were killed. But the situation isn’t quite over.

Monkeys potentially infected with herpes, Covid and hepatitis C escaped captivity after the truck carrying them overturned on Tuesday, police said.