North Carolina v. Butler , 99 S. Ct. 1755 ( 1979 )
Wong Sun v. United States , 83 S. Ct. 407 ( 1963 )
Colorado v. Connelly , 107 S. Ct. 515 ( 1986 )
California v. Hodari D. , 111 S. Ct. 1547 ( 1991 )