我遇到骗子了骗子 => scammer (online) 例子(Ex.)： I came across a scammer. I found a scammer online. I met a scammer online. => con artis.t or swindler (in person) 例子(Ex.): I met a con artist/swindler.

I ran into a swindler (in person). I came across a swindler (on the Internet). Yes, there are plenty of those.