Is she lying to me or is facebook wrong?

[Zander]

So I was chatting with my girlfriend and she told me she had to go to a place for her friend. She goes and sends me a few messages while out. I see on her fb messenger that it's saying she's in a totally different place. I confront her about it and she says she never went there... She has lied to my face before. She usually has her phone gps off. The location only worked for a few mesaages. Her phone gps does mess up sometimes. But this seems a bit odd... The gps can't lie...