Chinese rocket debris found in a Minnesota farmer's cornfield

Debris found in a Minnesota farmer's cornfield is, according to Ars Technica, all consistent with being part of a Chinese Zhuque-2E rocket that deorbited over the state. Ars Technica

Ars TechnicaA Chinese rocket deorbited over Minnesota and left this in a farmer's cornfieldAll the evidence points to the debris being part of a Chinese Zhuque-2E rocket.

Who should be responsible for rocket stages that come down uncontrolled over populated land?