Tune in to FOX News Channel this Saturday at 10 p.m. and 1 a.m. and Sunday from 10 p.m. to 12 a.m., 1 a.m. ET as award-winning and veteran journalist Geraldo Rivera brings you two special broadcasts this weekend!

Saturday, June 4:

Eighteen-year-old Natalee Holloway (search) went on a high school graduation trip to Aruba and has been missing since Monday. Is foul play involved? We'll ask Papito Commenencia, of the Aruba Police Department, and Myrna Jansen, Aruba Tourism Authority.

Then, a bold new plan to keep track of the worst sex offenders — is it long overdue or too harsh? You be the judge! We'll talk with Mark Lunsford, father of nine-year-old Jessica Lunsford (search) who was tragically slain by a sex offender earlier this year, and Herb Cohen, Mark Lunsford's attorney.

Sunday, June 5:

We'll be joined by:
• Steve Emerson, terrorism expert
• William Moffitt, attorney
• Rasheda Ali, Muhammad Ali's daughter and author of "I'll Hold Your Hand so You Won't Fall"
• Tim Green, host of "A Current Affair"

These stories and much more!

Real journalism: fair and balanced. That's why we're No. 1 — FOX News Channel.

NOTE: The Associated Press contributed to this report. Topics and guests subject to change.