Charlie Siringo was in Fort Sumner just before Billy was killed. He said he saw Manuela at a dance.He also said Manuela's mother was in Fort Sumner at that time.
Siringo was a known teller of tales ... as you say, Manuela Herrera's mother died in 1873, but, which mother did he see [or not] see? ... which Manuela did he dance with? ... which Manuela attacked the... more