Need advice for hauling deer IN minivan

Got rid of my SUV and the hitch hauler I used to use for deer. Now I've got a new minivan that my wife would be furious if it got all bloody inside. The seats all fold down, so there's plenty of room. So far my best idea is to wrap the deer up in a tarp like a taco, then try to manhandle into the back by myself. Is there any better ideas out there from you guys? Maybe something better than a tarp to use?

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Need advice for hauling deer IN minivan