That's a sure sign that the account is fake, as the photo must have been circulating on the internet.
Step two in the dating scam guide deals with "developing a virtual relationship." Scammers are told to ask lots of questions about their targets, paying particular attention to their past relationships.
Another way to spot whether an account is fake is the selection of photos that it uses.
Adhrann's guide says that scammers should "look on the Internet for a bunch of pics of a cute girl" and select someone who is "not a top model, but a normal sexy girl." To find photos, scammers can buy sets of photographs of young women, often through shady forums frequented by hackers.
If you've used a dating site or app like Ok Cupid or Tinder, you'll have noticed the hundreds of fake profiles that exist on the sites, seemingly designed to make you hand over your profile to scammers.