Numbers 35:22
"But if he pushed him suddenly without hatred, or if he hurled something in his direction without waiting in ambush,
Exodus 21:13
If he didn't lie in wait, but God let him fall into his reach, then I'll appoint for you a place to which he may flee.
Numbers 35:11
they are to designate some towns of refuge so that anyone who kills someone inadvertently may flee there.
Deuteronomy 19:5
For instance, he may have accompanied his friend to go to a forest to cut trees. Then he swung his axe to cut some wood, but the ax head flew off the handle and hit his friend, so that he died. The killer may flee to one of these cities to live.
Joshua 20:3
so that anyone who kills a person unintentionally and without premeditation may run there and be protected from closely related avengers.
Joshua 20:5
Now if the closely related avenger pursues him, then they are not to hand the killer over to him, because he killed his neighbor without premeditation and without hating him beforehand.