Xóchitl Tress' Corrido: From Wailing to Merry Widow

How is it that a woman, claiming to seek  justice after her husband was killed by presumed political intentions, later on, becomes "friends" with the intellectual criminal of his husband's death, 

the mistress of the former Veracruz governor and sociopath

And "friends" with the son of the actual governor of Veracruz?

This is her corrido: