A few numbers worth knowing if you have a hearing in front of Judge Guerrero, Marni (IJ code MGO, Phoenix, AZ):
Overall track record
28 years on the bench (since 1999), 3,678 cases total, lifetime grant rate 8.5%
Last 3 years (2023–2026): 2,508 cases, grant rate 4.7% — roughly in line with the Phoenix court average (7.5%)
Nationality breakdown (2023–2026 cumulative)
Nationality / Cases / Grant rate Mexico 1465 4.6% Guatemala 219 1.1% Venezuela 158 5.8% Honduras 139 1.8% Colombia 102 0.0% Cuba 101 12.5% El Salvador 58 0.0% Nicaragua 44 5.1% Ecuador 34 0.0% Peru 17 0.0% India 14 0.0%
Year-by-year
2023: 372 cases, 6.1% grant rate 2024: 271 cases, 2.6% grant rate 2025: 1161 cases, 5.4% grant rate 2026: 704 cases, 3.4% grant rate
If you've appeared before Judge Guerrero, I'd love to hear:
1. What's your nationality, and when was your most recent hearing?
2. How did your attorney prepare for this judge specifically?
Source: EOIR (U.S. Executive Office for Immigration Review) public statistics, May 2026 release, compiled by AsylumTracker. A judge's historical pattern does not predict the outcome of any individual case; this is shared to help set realistic expectations. Real-experience accounts from the community are welcome.