Looking for Answers about Tyndale House Sworn to Protect, Call of Duty Series #2?

Border Patrol Agent Danika Morales sends illegal immigrants back to Mexico; a job she's paid dearly for. Her husband, Toby, was murdered two years ago trying to help and his murder's never been solved. Now a string of attacks and arrests leads her to believe that someone from McAllen profits from sneaking undocumented immigrants into the country and somehow this illegal activity is tied to her husband, Toby's death.