You are tasked with taking comparison footprints from a suspect's shoes. You should then__________________. Question 7 options: a) Coat the soles of the shoes with water-based ink and walk them onto a sheet of tracing paper or acetate b) Walk the shoes onto a backing card and use ninhydrin as a development technique c) Coat the soles with dusting powder and walk them onto a gel lifter d) Coat the soles with magnetic dusting powder and lift them using an electrostatic dust lifter