excuse defense infancy defense https://en.wikipedia.org/wiki/Defense_of_infancy https://www.wikidata.org/wiki/Q129218 A form of defense known as an excuse so that defendants falling within the definition of an "infant" are excluded from criminal liability for their actions, if at the relevant time, they had not reached an age of criminal responsibility. After reaching the initial age, there may be levels of responsibility dictated by age and the type of offense committed. defense of infancy infancy defenses