As immigration and incarceration issues become central to the 2016 presidential campaign, lobbyists for two major prison companies are serving as top fundraisers for Hillary Clinton.

Corrections Corporation of America and the Geo Group could both see their fortunes turning if there are fewer people to lock up in the future.

...As first lady, she championed efforts to get tough on crime. "We need more police, we need more and tougher prison sentences for repeat offenders," Clinton said in 1994...

"We need more prisons to keep violent offenders for as long as it takes to keep them off the streets," she added.

...she recently signaled a willingness to crack down on so-called "sanctuary cities," a move that could lead to more immigrant detentions.