His lawyers previously said Payne thought his apartment was being robbed when gang unit officers tried to enter and arrest another man on an aggravated robbery warrant.
WFAA-TV reports Payne also testified he was brought up by his mother and his grandmother and that he's worked for a tile company and for a dairy operation.
Payne was expected to be the last defense witness, to be followed by closing arguments and then jurors starting deliberations.
