THE ABSENCE OF A PRIOR SURVEILLANCE OR TEST-BUY DOES NOT AFFECT THE LEGALITY OF THE BUY-BUST OPERATION AS THERE IS NO TEXTBOOK METHOD OF CONDUCTING THE SAME.

     The law does not prescribe as an element of the crime that the vendor and the vendee be familiar with each other. As aptly held by the CA, peddlers of illicit drugs have been known with ever increasing casualness and recklessness to offer and sell their wares for the right price to anybody, be they strangers or not. (People of the Philippines vs. Joseph Robelo, G.R. No.184181, November 26, 2012, Del Castillo, J.)