Diane Dimond

Television journalist, author, syndicated columnist

No one can say how many active serial killers are operating in America today. Why don't we know? And what can we do to keep ourselves and our loved ones safe?

Kevin M. Ryan

President and CEO, Covenant House

If Backpage.com can't monitor its ads carefully enough to keep nudity out of its ads, how can anyone believe that it can keep underage people from being offered up for sale?

Erin Moriarty

CBS News Correspondent, 48 HOURS MYSTERY

I have never met the man who has become known as "The Long Island Serial Killer," but he has much in common with the serial killers that I have spent time with over the years and interviewed.

Elizabeth E. Evans

Freelance writer, columnist and priest-in-charge, St. Marks Episcopal Church, Honey Brook, PA

As we begin our religious observances this week, I hope that we will keep in mind the Maureens and Megans among us: dear to God even in death, but so deserving of a life of here on earth.