Why do you think LAPD’s requirements are different than Arizona SB 1070?

Immigration

Summarizing, in your own words, the purpose or goal of Arizona Bill SB 1070 and its most controversial provisions.
Discuss at least one constitutional challenge to SB 1070.

Review the Los Angeles Police Department’s (LAPD’s) Special Order No. 40 and explain the difference between LAPD Special Order No. 40 and SB 1070, regarding when law enforcement officers are required to inquire about immigration status.

Why do you think LAPD’s requirements are different than Arizona SB 1070?