If you hand over to someone or hand something over to them, you give them the responsibility for dealing with a particular situation or problem. The present leaders have to decide whether to stand down and hand over to a younger generation I wouldn't dare hand this project over to anyone else
If you hand something over to someone, you pass it to them. He also handed over a letter of apology from the Prime Minister `I've got his card.' Judith said, handing it over
to surrender someone or something to another; "the guard delivered the criminal to the police"; "render up the prisoners"; "render the town to the enemy"; "fork over the money
When you hand over someone such as a prisoner to someone else, you give the control of and responsibility for them to that other person. They would just catch the robbers and hand them over to the police