So MR was a Bounty Hunter and Bail Bondsman? Then searching and investigating are in his blood. (Like GA has cop in him, but had to control it because his wife and family didn't want him to act like a cop anymore).
Apparently, the girlfriend brought kidnapping charges against him. In this case, the kidnapping could be as simple as he found his gf in another man's house, grabbed her by the arm and took her outside. Kidnapping can be as simple as taking a person, against their will, from one place to another. As in from the house to the front yard.
He was arrested based on her allegations, then the charges were dismissed. Maybe she decided not to testify againt him, maybe he was overcharged when the actual facts were revealed we do not know. In any event he had the arrest expunged.
The fact that he told LE about it tells me that he was being very open, honest and cooperative with LE. He didn't want them to come back later with the information and ask him "why didn't you tell us this before?" as it makes him look like he had something to hide for a reason.
Poor MR. I guess it is true, no good deed goes unpunished. LE is not interested in this event from his past, but the Th's will dissect him to fill up their show time.
No wonder he wanted to remain anonymous.