Invalid Tpa glitching into our base

[xX_Ron_Jeremy_Xx]

Not less than 5 minutes after we got off to take a break, we were quickly raided by AtlanticCraft25 and AtlanticCraft26. Some blocks were very awkwardly broken around some chests. A creeper egg wouldn't do that, so we asked them how they did it. They said they broke the two obsidian blocks on the portal that my buddy built, and there was a door that they had tpa glitched through to get our stuff. I find that to be very unfair and actually cheating. The message of him saying it is at the top of the chat box in PM.
Here is some of the proof I have:

 

[xX_Ron_Jeremy_Xx]

Also another thing, not sure how you guys do item refunds or whatnot but we have left virtually every chest untouched so you guys can see the damage they've done.

 

[Ziexd]

Hello!

When reporting a player, please use the correct format.
The format can be found here - http://mc-drugs.com/threads/report-template.609/

Thanks,
~Zie

(also we don't do refunds)