A series of PDF files containing the transcripts of the trial of Border Patrol agents Ramos and Compean is here:

usdoj.gov/usao/txw/press_releases/Compean-Ramos/index.html

An MSM report with very little information gleaned from them is here, and a thread that may in the future have some more information is here. I've cached the PDFs in case they go missing.

Then, we come to "Mexico demanded U.S. prosecute sheriff, agents":

The Mexican Consulate played a previously undisclosed role in the events leading to U.S. Attorney Johnny Sutton's high-profile prosecution of Border Patrol Agents Ignacio Ramos and Jose Compean, who are serving 11 and 12 year sentences for their role in the shooting of a drug smuggler, according to documents obtained by WND.

And Mexican consular officials also demanded the prosecution of Texas Sheriff's Deputy Guillermo "Gilmer" Hernandez, who subsequently was brought to trial by Sutton, the documents reveal...

Much more at the link, including what appears to be yet another contradiction by Sutton.

UPDATE: There's a Jerome Corsi interview here:

"...For several weeks [after the February 17, 2005 incident at the border] no investigation was ongoing. The Border considered the incident to be completely normal, the reporting to be acceptable and nothing was being done. Then on March 4 the request came through from the Mexican Consulate to the U.S. consulate in Mexico demanding an investigation on the basis that the Mexican Consulate was bringing forth [drug smuggler] Davila and wanted the agents to be punished..."