Dio, Book II. "And he [Horatius], attacking them when they expected no further danger."
Tullus was regarded as a most valiant man against the
Zonaras 7, 6.
the same family gods and continually glanced upward at the sun. Then they joined battle, now in groups, and now by pairs. Finally, when two of the Romans had fallen and all of the Albans had been wounded, the surviving Horatius, because he could not contend with the three at once, even though he was unwounded, gave way in order that in pursuing him they might be scattered. And when they had become separated in the pursuit, he attacked each one by himself and slew them all. For this he was honoured; but because he furthermore killed his sister, when she lamented on seeing Horatius carrying the spoils of her cousins, he was tried for murder. However, he appealed to the people and was acquitted.
The Albans now became subjects of the Romans, but later they disregarded the compact. When summoned, as subjects, to serve as allies, they attempted at the crisis of the battle to desert to the enemy and to join in the attack upon the Romans; but they were detected and punished. Many, including their leader, Mettius, were put to death, while the rest suffered deportation; and their city, Alba, was razed to the ground, although for some five hundred years it had been honoured by the Romans as their mother city.
While Tullus was accounted a most valiant man against the enemy, he neglected the worship of the