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Chris Hansen reports on the next "To Catch a Predator"

Dateline's Chris Hansen reports from the New Jersey shore in the eleventh hidden camera investigation that catches men who appear to be trying to meet children online for sex. "To Catch a Predator" airs on Wednesday, July 18 and Wednesday, July 25 at 10 p.m.

"Dateline's" investigative series, "To Catch a Predator," returns to primetime with Chris Hansen reporting from the New Jersey shore. In the upcoming broadcasts, alleged predators are arrested after chatting online about sex with a minor. Like the previous investigations, Chris Hansen confronts many of the men. In addition,, will feature exclusive video footage of his conversations with potential predators. The two-part investigation will air on Wednesday, July 18 and Wednesday, July 25 at 10 p.m. ET.

For the eleventh investigation, Hansen and NBC News set up its hidden cameras inside homes in Ocean County, New Jersey. Members of Perverted Justice, the Internet watchdog group and paid consultants to "Dateline NBC," pretended to be young teens chatting online (ages 12-14). Most of the adults caught in the investigations allegedly attempted to solicit the Perverted Justice decoys for sex. Some sent graphic sexual images as well. Many of those same men showed up at the house or another location for a rendezvous with the child. For the investigation, Perverted Justice teamed up with local law enforcement. The police later arrested the men.

Most of the suspects confronted by Hansen claim their intentions were innocent, and some even acknowledge that they have seen Dateline's reports on television and still came to the house. Some of the most alarming cases involve a convicted sex offender, a school bus driver and a former firefighter. The hidden camera investigation attracted 28 men in three and a half days. will offer a behind-the-scenes look into Hansen's role throughout the investigation. As with previous broadcasts, the Web site will continue to feature exclusive video footage of the potential predators and Hansen and general online safety tips. In addition, previous shows will be available on-demand after the broadcast. Viewers can also log on to see an interview with one of the decoys and read Chris Hansen's blog entries.

David Corvo is the executive producer of "Dateline NBC."