1. which case established that police must obtain search warrants if they want to make subsequent return visits to a crime scene? a. frye v. united states b. mincey v. arizona c. kumho tire co. ltd. v. carmichael d. michigan v. tyle 2. an employee goes to a co-worker's locker while the co-worker is away, takes his car keys, and later steals his car. which is the primary crime scene? a. company b. locker room c. car d. locker

According to the federal regulations, which of the following studies meets the definition of research with human subjects? a. a researcher uses the customs office’s passenger lists for ships bringing immigrants to the us between 1820-1845 to track the numbers of immigrants from certain ethnic groups. b. a researcher conducts a linguistic study of comments posted on a local public blog. c. a developmental psychologist videotapes interactions between groups of toddlers and their care givers to determine which intervention methods most effectively manage aggression. d. a researcher asks the director of a local free clinic about the number of patients in the last two years with newly diagnosed hiv/aids.