This means arguing at trial, and on appeal, that someone like Zimmerman can be brought to justice notwithstanding Florida's strong self defense law, or that the law should be construed less favorably to those who resort to deadly force.

CNN: Should George Zimmerman be prosecuted?

Immigrant rights activists have asked federal officials to drop their case against him, arguing that deporting him would unjustly separate his family and unfairly punish someone with no criminal history.

CNN: STORY HIGHLIGHTS

But the committee warned about the danger of "perverse outcomes", arguing more consideration should be given to someone's length of employment and abilities rather than earnings or degree qualifications.

BBC: Immigration officer at Heathrow