Zohran Mamdani has expressed opposition to ICE presence in New York City and supports policies to limit ICE operations locally, but there is no evidence he has refused to comment on a hospitalized ICE agent or that he explicitly supports 'open borders' or allowing criminals to run free.
Zohran Mamdani hasn't commented on the hospitalized ICE agent because he stands for open borders and allowing criminals to run free.

FactVerify
Source: factverify.com
Key Evidence
Mamdani’s public platform includes removing ICE from NYC facilities and opposing its enforcement tactics.
gatewayhispanic.comgatewayhispanic.comBorder Czar Tom Homan sends a STRONG message to Zohran Mamdani
newsweek.comnewsweek.comDonald Trump Issues New Warning to Zohran Mamdani
No reliable sources confirm he has ignored or refused to comment on incidents involving ICE agents.
Characterizations of him supporting 'open borders' or 'allowing criminals to run free' are partisan interpretations rather than factual descriptions of his policies.
What the Evidence Shows
The claim contains multiple components: first, that Zohran Mamdani has not commented on a hospitalized ICE agent; second, that this silence is because he supports open borders; and third, that he supports allowing criminals to run free. Available evidence shows Mamdani is a self-described socialist and Democratic nominee for New York City mayor who advocates for removing ICE from city facilities and criticizes ICE as a 'fascist' institution.gatewayhispanic.comgatewayhispanic.comBorder Czar Tom Homan sends a STRONG message to Zohran Mamdani
newsweek.comnewsweek.comDonald Trump Issues New Warning to Zohran Mamdani
This aligns with a platform of restricting ICE's local authority rather than an explicit endorsement of completely open borders or lawlessness. There is no credible source indicating that Mamdani has refused to comment on any specific incident involving a hospitalized ICE agent. The framing that he 'stands for open borders and allowing criminals to run free' is a politically charged characterization often used by opponents but lacks direct evidence from his stated policies or public statements.
Mamdani’s platform focuses on immigration reform and limiting ICE enforcement within city limits, not on eliminating all border controls or endorsing criminal activity. Thus, the claim conflates Mamdani’s opposition to ICE with an extreme position unsupported by his record. The logical connection between his alleged silence and supposed support for open borders is unsubstantiated, representing a misleading causal inference.