Chicago lab owner pleads guilty in COVID-19 testing scheme tied to former Loretto Hospital executiveChicago lab owner Mohamed Sirajudeen pled guilty to conspiring with former Loretto Hospital CFO Anosh Ahmed in a COVID-19 testing scheme. Chicago lab owner Mohamed Sirajudeen pled guilty to conspiring with former Loretto Hospital CFO Anosh Ahmed in a COVID-19 testing scheme. Chicago lab owner Mohamed Sirajudeen pled guilty to conspiring with former Loretto Hospital CFO Anosh Ahmed in a COVID-19 testing scheme. Chicago lab owner Mohamed Sirajudeen pled guilty to conspiring with former Loretto Hospital CFO Anosh Ahmed in a COVID-19 testing scheme. CHICAGO (WLS) -- A Chicago lab owner has pleaded guilty to conspiring with a former Loretto Hospital executive in a COVID-19 testing scheme.