Preet Bharara, U.S. Attorney for the Southern District of New York, is the lead prosecutor in the case against filmmaker Dinesh D’Souza.

The “2016: Obama’s America” filmmaker is accused of violating campaign finance laws and giving $20,000 to his friend’s failed Senate campaign.

EXCLUSIVE: D'Souza Responds to Allegations, Says He Got 'Under Obama's Skin' With Film

Bharara says the contribution was uncovered during a routine review, but critics say they doubt that $20,000 stood out.

Bharara is an Obama appointee, an Obama donor, and is said to be on the short list to replace Attorney General Eric Holder.

Director of Conservative Documentary 'Obama's America' Indicted

If convicted, D’Souza faces seven years in prison and a $1 million fine.

Judge Andrew Napolitano was on “The Kelly File” to discuss the case.

“[The government] cannot commence a criminal investigation by throwing darts on a board and go after wherever the darts land … there has to be a reason why they’re going after someone, unless they were told to go after him,” Napolitano said.

Watch Trace Gallagher’s report above, and hear what Napolitano had to say in the video below.