FARGO-Some viewers are warning dating app users to be careful, after spotting what looks like a profile of a high-risk sex offender.

Daniel Fike Grinder is a registered high-risk offender in Fargo.

Several viewers have come across his profile for a Tinder, a dating app used by tens of millions of people.

The sex offender's profile claims he is much younger than he actually is.

Despite this, police say taking action is out of their hands.

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Daniel Fike Grinder has a history of assaulting young teenage girls; which is why some people were shocked to see what appears to be him, on the popular dating app Tinder.

The Grinder profile says the 31-year-old is an entire decade younger than he actually is.

He has a history of using aliases, as well as a conviction for concealing a weapon illegally.

I went to Grinder's registered address to ask him if he thought lying about his age and violating terms was okay, and if the profile was really his.

Nobody answered the door, but I did leave contact information.

As a sex offender, Tinder's user agreement doesn't allow Grinder to create a profile.

According to Fargo Police, despite being a high risk to offend again, there's nothing police can do about his profile, saying, "Anyone with knowledge of the sex offender can contact the dating site administrators. It's up to the app's administrators to determine what they want to do."

I created a fake profile in the matter of two minutes, with the option to add any name, and any age, all by simply typing it in, and agreeing to the user policy.

I reached out to the app, asking how they prevent sex offenders from lying about who they are.

A rep with tinder says the app has several safety measures, including a team of investigators and machine-base learning systems to identify problems.

The rep says users can report other users in the app.

Above all, it's important for users to be careful, and cautious, before meeting a stranger in person.

Some viewers say they've also seen Grinder on other dating apps as well.

We have not been able to get ahold of him.