What is a key characteristic of overt surveillance?

A key characteristic of overt surveillance is the public knowledge of the surveillant. This form of surveillance is usually evident and transparent, meaning that individuals are aware they are being watched. Overt surveillance often includes visible security measures, such as manned security posts or clearly marked cameras, which are meant to deter potential criminal activity by making their presence known.

In contrast, characteristics like protection of identity, use of hidden cameras, and conducting surveillance in secret relate to covert surveillance, where the goal is to monitor without the knowledge of those being watched. Thus, the defining aspect of overt surveillance is that it is done openly and with the awareness of the general public.