The electricity isn't flowing through the car and is also not turning over. on 2008 Dodge Charger

We have absolutely no idea how it occurred. We have read so many sites, but none of them could give us any answers. Can someone please give us some probably problems

Asked by for the 2008 Dodge Charger
Any history of dead battery and trying to jump-start it?
We put it on a battery charger. We have no clue because he bought it used. and we believe its the starter.
did it start and run when you bought it?
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If you have absolutely no power tis you wireless ignition node (key switch) I tried new everything and nothing worked. Towed it to the dealer last week and its still there. the part is restricted and on back order.