What does obtaining sufficient evidence during surveillance help with?

Obtaining sufficient evidence during surveillance is crucial for law enforcement as it directly supports the process of making an arrest or securing a search warrant. Surveillance provides observational data and documented behaviors that indicate illegal activities or suspicious behavior. This evidence is essential for establishing probable cause, which is necessary for a judge to issue a search warrant or for an officer to arrest a suspect. By compiling clear and convincing evidence through surveillance tactics, police can enhance the legal basis for their actions and ensure that they are acting within the law during investigations. This systematic gathering of evidence strengthens the case and helps to secure convictions in court, ultimately enhancing the effectiveness of law enforcement operations.