Burns said one type of fraudster is someone who raises warning flags right away.
"If you can't get that person to meet face to face, if you start to get excuses as to why that can't happen, I think that should be a bit of a red flag," she said.
Williams said his figures show between one and five per cent of fraud victims on online dating sites tell police about what happened.
The League dating app says it aims to "make offline cool again." Excuse me, but when was being offline ever uncool? So good luck with your digital diet, and don't worry: if you get bored and horny, relief is only a swipe away.
The last time I checked, meeting people the old-fashioned way, FACE-TO-FACE was preferred, not passé.
While that man eventually went to jail, the victim's money was gone for good.
The anti-fraud centre said 269 Ontarians have reported online dating fraud so far this year, with 177 losing some money.
"They can afford to have the money come in many months later because there's a stream of money coming in all the time," said Williams.
CBC News has heard from a few victims of such fraud, including an Ottawa woman in 2010 who lost ,000 to a man who started out by asking her for loans, then moved on to opening credit card accounts in her name.
the money they’ve lost, even when it’s in the tens or hundreds of thousands of dollars, pales in comparison to the emotional devastation they’ve gone through," he said.
That's two hours of having your head down in your phone every day. And then there's the issue of "ghosting," that online dating practice used by cowards who disappear into thin air after making contact.
Add in the frustrating lack of follow up and follow through from potential dates, and no wonder you want to say to hell with it. A recent survey from online magazine The Week found that online daters spend an average of two hours a day on their mobile dating apps.