Falsely ID'd.

What is the name of your state?What is the name of your state? Hawaii
I was booked after witnessing a fight which I wasn't involved in only stood as a bystander. The wife of the victim took down my lic. plates when I left the area. The police later brought the victim's wife to my house to ID me. I figured I would be let off, seeing as I was 10-15feet away from the action and the only time I looked at the lady was when I left the lot. After the officer told me she ID me as one of the suspect's who hit her husband I was booked right there. I was read my Miranda rights on a piece of paper which I signed and the officer asked me If I was to make a statement right there, I declined. I read on the paper Assault 3rd, but the officer told me that the prosecutor would see if there was enough evidence.
Is one witness enough evidence to prosecute? There were also employees in the lot which also witnessed everything that happened and saw me watching. Would those witnesses be enough?
Any lawyers could tell me the procedures of what will happen? or likely to happen?
Thanks a Bunch

If there are multiple witnesses that say you did not hit her husband then you will be fine. She was probably really pissed that you didn't do anything to help her husband and rightfully so. Why did you (or anybody else for that matter) just stand there and watch instead of help the guy?

I didn't do anything because I knew the people who fought her husband. And the husband had walked up to my friends car (I was listening in on them when they were talking), and I heard the husband tell my friend if he wanted to 'throw' and 'step outta of his car', which my friend did. The husband actually threw at my friend first. Oddly while the husband sayed that to my friend he was carrying his (3-5)yr old daughter or something. After my friend agreed to step outta the car, he ran inside a store and 'put his daughter down' and came back outta looking ready to fight. The whole argument started because my friend left trash on the ground, which he say'd he told the husband he would pick up. And the husband started giving him attitude.
The reason for others not helping the husband which I found out, is that the husband owns a store across from another store. The employees of the other store witnessed the fight and don't personally like the husband because of his 'attitude'. I guess they thought he got what he deserved.
I've talked to a lawyer and he sayed it will probably go to court.
Would the witness's need to file a police report or something? Or wait until the trial comes. The reason I ask is if this case takes a while to go to trial the witness's memory might not be up to par.