Police encounter a boy with a BB gun that they think is real. They tell him to drop it. He does. They shoot him anyway. Sixth Circuit: qualified immunity applies, because we haven't had a case like this.

https://www.opn.ca6.uscourts.gov/opinions.pdf/20a0122n-06.pdf?mkt_tok=eyJpIjoiTWpjelptVTFaamRtTnpZMyIsInQiOiJVTkppVXJtdHN4RFA2NWIrTExHU3FPcllCa1JPblUyRElwMWNqOGE4dE9weFhKZEFEUk5PMGdablh4QVlQRERJSkVrXC9vQ2gzWjR3UGxmRjl4dTA4cHk2Q2FyK0Y0a0JtNEVYMDlVaENlcjh4Nm5QdjlpSjFXa2pmU2VHWjJLMWQifQ%3D%3D