He approached her.

So, Warden approached Korlen on the bus to see if she was living in the area. She did ask what school he went to so he asked if she was living in the area and if he could walk her home and continue the conversation? He also went back to her house five minutes later and invited her to knock on his door anytime if she wanted to talk or maybe needed a drive to the indoor track centre. She knocked on the door two weeks later during March break and he happened to going to the track that day.  His junior boy's track team his Offsa indoor track team gold win in December 1987. One medal was given out to Drewy. The other medals were stolen by Stanley who faked death and went to the states with them....muttering something about the "id"...something about not enough "id".  This is where Warden last saw him saying something about "id" which is not to be confused with ID as in identification. She did not approach Warren first. They both asked the question about school each person attended at the same time.