The account given by the Greco-Roman authors is questionable. They were not eye-witnesses, contradict each other on how the children were killed, and describe children older than infants being killed as opposed to the infants found in the tophets. The archaeological evidence is not consistent with the mechanical statue of Cronus mentioned by Cleitarchus and Diodorus. There are no references to child sacrifice in Greco-Roman accounts of the Punic Wars, which are better documented than the earlier periods in which mass child sacrifice is claimed. Many, but not all, Greco-Roman authors were hostile to the Carthaginians because they had been enemies in the Sicilian and Punic Wars and this may have influenced their presentation of the practice. Matthew McCarty argues that, even if the Greco-Roman testimonies are inaccurate "even the most fantastical slanders rely upon a germ of fact."