difference between an agent and a special agent
Special agent In general, some, but not all, agents are federal law enforcement officers, and hold either arrest authority or the right to conduct minor criminal/non-criminal investigations. In some agencies, however, an agent can have both arrest and minor criminal/non-criminal investigatory authority, yet still have no authority to conduct major criminal investigations. On the other hand, nearly all special agents are federal law enforcement officers, are distinctly empowered to conduct both major and minor criminal investigations, and hold arrest authority. Most special agents are authorized to carry firearms both on and off-duty, whereas only some agents are authorized to do so. The title of special agent is almost exclusively used in federal law enforcement (United States) for federal criminal investigators.
List of Agents of S.H.I.E.L.D. characters Aida (portrayed by Mallory Jansen) is a Life Model Decoy, an android body based on Radcliffe's former lover and partner Agnes Kitsworth (also portrayed by Jansen) into which he transferred his artificial intelligence AIDA (voiced by Amanda Rea). After the Darkhold shows Radcliffe the secret to eternal life, Radcliffe programs Aida to go rogue in an attempt to steal the book from S.H.I.E.L.D. She is ultimately beheaded in battle against S.H.I.E.L.D., and Radcliffe builds a new model of the android. Aida later kills Kitsworth, so her consciousness can reside in the Framework reality. Aida enters the Framework where she takes up the name "Ophelia" and is also known as Madame Hydra, the leader of Hydra. She also has a relationship with Leo Fitz in his alias of The Doctor. Agnes also resides in the Framework, living with Radcliffe's consciousness on Ogygia before she is deleted by The Doctor. With the help of Project Looking Glass, Aida succeeds in making her organic body, and once again goes by Ophelia. Ophelia also gains the Inhuman abilities of teleportation, electric charge manipulation, and a healing factor. She is later killed by Phil Coulson possessed by Ghost Rider.