f. collect and preserve all appropriate evidence, including canvassing the scene to locate witnesses where appropriate, with the burden for such collection on the LAPD, not the complainant; and

f. collect and preserve all appropriate evidence, including canvassing the scene to locate witnesses where appropriate, with the burden for such collection on the LAPD, not the complainant; and

in reference to:

"f. collect and preserve all appropriate evidence, including canvassing the scene to locate witnesses where appropriate, with the burden for such collection on the LAPD, not the complainant; and"
- Civil Rights Division Home Page (view on Google Sidewiki)