The address is the address that Localbitcoins signs all their receipts with. See
this link and search 1Q1wVsNNiUo68caU7BfyFFQ8fVBqxC2DSc and you will find this:
What does the signature mean on the receipt?
After the online trade has been completed, the seller has the proof that the buyer has received the coins. LocalBitcoins.com generates and signs the receipt for this.
Our signing bitcoin address is 1Q1wVsNNiUo68caU7BfyFFQ8fVBqxC2DSc. You can verify the validity of the receipt with bitcoin client software.
This basically means that this person was able to actually trade on LBC, and the search results you found were instances of when others had scammed on LBC (it is no secret that there are scams on LBC).