Millions of Americans visit online dating websites every year hoping to find a companion or even a soulmate.

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Lyne disappeared last Friday after leaving to meet a date, who police identified as John Robert Charlton, 37.

Her ex-husband reported her missing on Saturday — and a dismembered body, including a severed head and foot tentatively identified as Lyne's, were discovered Monday in a recycling bin in Seattle’s Central District.

So, how do you protect yourself when you try online dating?

Bruce Anderson, director of Cyber Intelligence & Investigations, encourages cyber-daters to conduct a background check.

“You should always do a background check on the person that you are dating,” Anderson told Fox

“You should consider hiring a [private investigator] to run a background check and criminal check on the person, as well as a deep dive (OSINT) Open Source Intelligence Search.

“I think [the suspect's] capacity for depraved homicide would have been nearly impossible for anyone to detect without having done a complete psychological testing profile; even then, there would be no guarantees," Carmichael said.

Fox Reporter and FOX411 host Diana Falzone covers celebrity news and interviews some of today's top celebrities and newsmakers.

Unlike singles in the '70s, who cruised bars and discos and risked looking for love in all the wrong places, tens of millions of singles each day join and log on to online dating sites with the belief that their efforts to find love and companionship are safe and secure.

But the apparent murder and dismemberment of Ingrid Lyne, a 40-year-old Seattle-area mother of three, has sent shockwaves throughout the cyber-romance world, with many begging the question: Is anyone safe?

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