Answer problem 12.1 questions a,b, and c please.

informant's tip. a judge will consider all up circumstances. These incl include whether the informant has provided accurate inform ton in the past. how the informant obtain the information, and whether the police en corroborate, or confirm, the informany and the tip with other information. depart suspiel Problem 12.1 upon reason The police receive a tip that a drug pushes perso named Richie will be flying from New York City high to Washington, D.C., sometime on the morning TI of September 8. The informant describes Richin they as a tall man with reddish hair and a beard. Ha driv also tells police that Richie has a habit of walk- arre offi ing fast and that he will be carrying illegal drugs rul in a brown leather bag. The police have received lav reliable information from this informant in the past. On the morning of September 8, the police watch all passengers arriving from New York City. When they see a man who fits the description-carrying a brown leather bag and walking fast-they arrest him. A search of the bag reveals a large quantity of cocaine. a. Based on what you know, do you think the police had probable cause to arrest Richie? Why or why not? b. Should the police have obtained a warrant before arresting Richie? Why or why not? c. Assume the police have not received a specific tip but they know that crack cocaine is being brought regularly on trains from one city to another by teenagers hired by older drug dealers. They see a 16-year-old African American male arriving by train. He is alone, and is carrying a small canvas bag. Should the police be able to stop and question him? Under what circumstances should they be able to search or arrest him