Are you dating a sex offender?

A new app called NameTag will help you find the answer. This advanced app uses facial recognition software to scan your date's face and searches social network sites, including dating sites, as well as the National Sex Offender Registry and other criminal databases for matches.

As of today, 549 sex offenders are living in Pennsylvania, according to the National Sex Offender Registry. Individuals who must register as sex offender are those who have been convicted of a range of crimes, from public urination to rape.