First of all, congrats on being a Jeep owner. My condolences as well
Kind of strange for a 96 to be leaking in so many places already. Has it been in a bad accident or been vandalized where maybe the windows were all busted out?
If that's the case the leak under the dash may be from a windshield seal.
What part of the hinge is busted, the door side or the window side?