with Oreskovich’s findings and testified that he believed the gun and the arm were purposefully staged to mislead investigators. Dr. Pustilnik, the medical examiner, testified that features of Jackie’s wound indicated that the gun was pressed tightly to her head when it discharged, contradicting Cantu’s demonstration during his videotaped statement of how the shooting occurred. Pustilnik also testified that the evidence — including powder residue on Jackie’s hand, the angle of the bullet, and the muzzle imprint on her forehead — was inconsistent with Cantu’s defensive theory that the shooting was an accident. In his opinion, the evidence was also inconsistent with the theory that the gun fired during a struggle over the gun. Although Cantu presented e San Antonio 1985, pet. ref'd) (<HOLDING>). Accordingly, we hold that the evidence is
holding evidence sufficient to support murder conviction where appellants defensive theories of intentional or accidental selfinflicted wound occurring during struggle contradicted by physical evidence theory holding that defensive theory must be submitted to jury when theory is raised by evidence from any source holding that circumstantial evidence alone is sufficient to support a cocaine conspiracy conviction holding evidence sufficient to support jurys verdict when physical evidence including evidence gun was fired from a distance greater than appellant told police was inconsistent with accidental discharge during a struggle holding that the jury need not agree on the theory supporting the conviction if there is sufficient evidence to support either theory