if you're refering to the mlk hospital in california- also called "killer king" aka king drew; the only words of advisement i can give u is to run like richard pryor on fire- that place is an absoulute terror! every nurse working in there is at an increase risk of losing his/her nursing license- it's too disorganized and ethically unsafe.
i've worked for both on assignment and fastaff- i don't recommend either to take an assignment from; i was burned pretty badly by both in particular oa. paywise i made more money with fastaff. goodluck!