At the period when our story takes place, one man in Mexico had the privilege of concentrating on himself the curiosity, fears, and, more than all, the sympathy of all.
This man was El Rayo, that is to say, the Thunder.
Who was El Rayo? Whence did he come? What did he do?
These three questions, short though they were, no one could have answered with certainty.
And yet a most extraordinary number of legends was current about him.
We will tell in a few words the facts known about him.
Toward the close of 1857 he had suddenly appeared on the road that runs from Mexico to Veracruz, the police control of which he undertook in his fashion, stopping convoys and mail coaches, protecting or levying blackmail on the passengers, that is to say, in the second event, obliging the rich to bleed their purses slightly in favour of their companions less favoured than themselves by fortune, and forcing the leaders of escorts to defend the persons they were ordered to accompany against the attacks of the salteadores.
No one could have said whether he was young or old, handsome or ugly, brown or fair, for his face had never been seen uncovered. As for his nationality, it is equally impossible to determine, for he spoke with the same facility and elegance Castilian, English, French, German and Italian.
This mysterious personage was perfectly well informed about everything that occurred in the territory of the republic; he knew not only the name and social position of the travellers with whom he thought proper to have dealings, but was also acquainted with certain peculiar facts about them which often rendered them very ill at ease.
A stranger thing than any we have yet mentioned was, that El Rayo was always alone, and never hesitated to bar the way of his adversaries, no matter what their number might be. We must add that the influence which his presence exercised over the latter was so great, that the mere sight of him sufficed to check any wish of resistance, and that a threat from him made a shudder of terror course through the veins of those whom he addressed.