(a) In any action surviving to or brought by an executor or administrator for injuries resulting in death, whether instantaneous or otherwise, such executor or administrator may recover from the party legally at fault for such injuries just damages together with the cost of reasonably necessary medical, hospital and nursing services, and including funeral expenses, provided no action shall be brought to recover such damages and disbursements but within two years from the date of death, and except that no such action may be brought more than five years from the date of the act or omission complained of.
(b) Notwithstanding the provisions of subsection (a) of this section, an action may be brought under this section at any time after the date of the act or omission complained of if the party legally at fault for such injuries resulting in death has been convicted or found not guilty by reason of mental disease or defect of a violation of section 53a-54a , 53a-54b , 53a-54c , 53a-54d , 53a-55 or 53a-55a with respect to such death.