Dating apps have made finding love more accessible than ever before. But that accessibility cuts both ways. The same tools that help genuine people connect also attract those with dishonest intentions — scammers, manipulators, and people who simply aren't who they claim to be....

You've chosen your best photos, picked the right app, and set up your profile. Now comes the part that most people either rush through or agonize over for hours: writing your bio. It's a small box of text with an outsized impact. A well-written...