Lost a couple of folding chairs and a big mallet maybe ten, twelve years ago, private park...ever since then, I lock up EVERYTHING.
Maybe 5 years ago, a guy a couple sites over was so angry he was literally foaming at the mouth...someone had broken into his toyhauler and stolen his & his wife's Harleys. (His wife's brand-new 1200 Sportster and his Electraglide.) Honestly...I cannot conceive of it happening and NOT having someone on the CG staff at least know about it. You do not break into a trailer, pick up a pair of 500+lb motorcycles, toss them into your car trunk, and take off in 3 minutes!