Answer to Question 1
Warrants are legal documents that authorize officers to conduct arrests, seizures and searches that are issued by judges or magistrates upon a showing of probable cause. Warrants must specifically articulate person(s), place(s), and objects to be seized and be accompanied by an affidavit. Typically, warrants are required before the arrest, search, or seizure. Objects to be seized and the reliability of the set of facts is needed to establish probable cause. Other factors in the issuance of a warrant include the staleness, vicinage and particularity. Anticipatory warrants are issued before the arrival of the evidence in a particular location. Sneak-and-peak warrants authorize law enforcement officials' surreptitious entry to premises upon determination that evidence is likely to be present. No-knock warrants allow officers to enter premises without first notifying the occupants and often obtained with there exists a risk of danger to evidence, officers, or community. Nighttime search warrants are the exception rather than rule, but are simply warrants issued and/or conducted at night. Typically nighttime warrants are not issued as a safety and cost issue.
Answer to Question 2
d