"The one-time competitive boxer usually stunned or knocked out his victims with powerful punches and then strangled them," it said.

"With no stab marks or bullet wounds, many of these deaths were not classified as homicides but attributed to drug overdoses, accidents, or natural causes."

Little grew up in Ohio, dropped out of high school and lived a "nomadic life," shoplifting or stealing to buy alcohol and drugs, the FBI said.

His criminal record dates back to 1956 with arrests for shoplifting, fraud, drugs and breaking and entering.

He was accused of murdering women in Mississippi and Florida in the early 1980s but was not convicted.

The FBI said Little is in poor health and is likely to spend the remainder of his days in prison in Texas.


So, for example, you could have a virtual dinner with your friend through the internet.

You can see them in 3D and also share a glass of wine together.”

Normally, odours are transmitted by airborne molecules that enter your nose.

But in this system, the researchers used electrodes in the nostrils to deliver weak electrical currents to simulate smells.

While this system is by no means practical, the researchers suggest that it could be adapted in the future into a more wearable form.