"FISA Abuse" refers to the misuse of the Foreign Intelligence Surveillance Act (FISA), which allows the government to conduct surveillance on foreign agents and entities. Concerns arise when this authority is improperly applied to American citizens or when the process lacks transparency and oversight, potentially violating civil liberties. Instances of FISA abuse can include the unauthorized surveillance of political figures or the use of misleading information to obtain surveillance warrants. Such actions can undermine public trust in government agencies like the FBI and NSA, raising questions about accountability and the protection of individual rights.