(Hall, 2014) In this situation, the suspects fled the scene, and the officer is allowed to use hearsay and circumstantial evidence from the complainant constituting a written statement of the offense; considering, an affidavit must be completed of personal knowledge, such as witness and victim must be attached to the complaint upon oath before a magistrate. If the warrant is required to arrest the suspects, the complaint is needed to produce support to request the warrant. The police must have a warrant to arrest the suspects at home; however, if they do not have a warrant, they must show probable cause for a warrantless arrest, and law enforcement officers are permitted to put the suspect’s home under surveillance. (The American Bar Association, 1985) However, if a police officer is invited into the house by someone answering the door, the police may arrest without a warrant. If the suspects are detained without a warrant, the complaint serves as the charging document at the initial appearance or preliminary