Colonel Sanchez, who is not officially a colonel, but uses the title himself, is the chief 'police' authority of a village at the end of the Amazon jungle.
When a team of Allister Research came to investigate reports of uncanny vegetation regrowth he wanted to spy them and offered to send his men for protection.
He knew about Allen Roberts having the documents concerning the Eyes of the Jaguar and his brother and had sent agents to ransack Jason's apartment in USA.