(1) A secondary victim of an act of violence is a person who is present at the scene of an act of violence and who is injured as a direct result of witnessing that act.
(2) A person is also a secondary victim of an act of violence if he or she is injured as a direct result of subsequently becoming aware of an act of violence and—
(a) he or she is the parent or guardian of the primary victim of the act of violence; and
(b) the primary victim of the act of violence was under the age of 18 years at the time of the commission of that act.
(3) A person is not a secondary victim of an act of violence by virtue of subsection (2) if he or she committed, and is criminally responsible for, that act of violence.