What does an arrest involve in terms of a suspect's freedom?

An arrest fundamentally involves the taking away of a suspect's freedom, meaning they are not free to leave. This is a critical aspect of the arrest process, signaling that law enforcement has taken official action based on probable cause that the suspect has committed a crime. When someone is arrested, they are typically in police custody, which places restrictions on their freedom of movement.

The context surrounding this choice is important to understand the implications of an arrest. During an arrest, law enforcement officers have the authority to detain an individual and often transport them to a police station for processing. This action is based on the legal definitions of arrest and how it impacts an individual's personal autonomy.

In contrast, the other options do not accurately reflect the legal framework surrounding an arrest: being completely free to leave does not fit the definition of being arrested; signing a waiver is not a standard requirement of an arrest; and while questioning may occur, it does not define the status of being under arrest. Thus, the option highlighting that the suspect is not free to leave is the correct interpretation of what an arrest entails.