US senators are aggressively questioning the Securities and Exchange Commission regarding the sudden exit of its enforcement chief. Lawmakers are demanding clarity on internal disputes, specifically probing claims that the official’s resignation stemmed from disagreements with leadership over sensitive cases involving figures linked to former President Donald Trump.

The scrutiny extends to the controversial prosecution of cryptocurrency mogul Justin Sun, raising concerns about political interference in regulatory enforcement. With the agency’s independence under the microscope, senators are determined to ascertain whether external pressures shaped key decisions, potentially jeopardizing the integrity of ongoing high-profile investigations.