Monkey escape gives a glimpse into the secretive world of animal research

KEY TAKEAWAYS:

Truck carrying 21 research monkeys overturned on Interstate 59 in Mississippi .

Three monkeys remain missing; five others were killed during the search.

Tulane University confirmed involvement but declined to identify the animal owner.

Incident highlights secrecy in animal research and raises public safety concerns.

The recent escape of several research monkeys after the truck carrying them overturned on a Mississippi interstate is the latest glimpse into the secretive industry of animal research and the processes that allow key details of what happened to be kept from the public.

Three monkeys have remained on the loose since the crash on Tuesday in a rural area along Interstate 59, spilling wooden crates labeled “live monkeys” into the tall grass near the highwa