If a parent reports that her seven-year-old child has been missing for an hour. She gives the police a description of the girl, including the fact that she had been carrying her

black and white teddy bear. Two hours later,the police see a man (A)walking randomly in the neighborhood and carrying an old shopping bag

with something in it.

Q1- Can the police lawfully stop and question A, and prevent him from walking away without answering any questions?

Q2 - Do the the police have to give A Miranda warnings before questioning him?

Q3 - If A acts nervously, oddly, and suspiciously, and says that he does not want to answer questions, can the police keep asking him questions

Q4 - Do the police have to let him go on his way?

Q5 - For how long can they prevent him from leaving?

Q6 - Can they look in his shopping bag?

Q7 - Can they search him?

Q8 - Can they frisk him for weapons?

Q9 - If they find a teddy bear in the shopping bag, can they arrest him?

Q10- If they bring him to the police station, do they have to give him Miranda warnings before questioning him?

Q11- If A says, "maybe I should get an attorney," do the police have to stop questioning him?

12 - If they do not have to stop the questioning, what is their legal basis?