You are a detective working on a murder case. It seems all is wrapped up, except for one thing: the weapon. However, you have received an anonymous tip from Mr. Mister, who has a long history of tipping the police off in ways that are difficult to understand, but also being correct every time. He has claimed that he has sent you the location of the murder weapon. However, you are now faced with the following cryptogram:
Ilf eeo tmgaae pnr uu mfb aithhteom tab, Cr wqp dfvd lwro nqpq vpns gvfa. Vpbktm ddrmpl rfb nbg, rpbbk rgt idrfbm osbb, Fa eadgdmab tt 'tp aa' bi kd mgiav ila esba. "Epo'r uva ef eov spocv!", ilf eeo bte dsw, Mp ilc mnqamresgdm, b oamrqo veoeamae cw. "Cma wqq dnrmpl rporhli?" uncmmspoae Ead, Mfb reo vcr eooay, ydm unmbr zcr fb.
Among the tip, there are also the following hints:
Fair play swapped will bring you success.
I like J2O.
My name is key to solving this puzzle.
You have very little time left, in fact, you have only enough time left to decrypt the tip and search in one place for the weapon.
So where should you look?
There is more than one aspect to this puzzle, which is the first one I have created myself, so I'm well open to suggestions for improvement!