" I didn 't see either one today , but if they 're here and wave from the side , I 'll certainly wave to them , " Bloomberg said .
Asked about the controversy , Bloomberg said , " I didn 't see either one today , but if they 're here and wave from the side I 'll certainly wave to them .
Cullen , 43 , is charged with killing a Roman Catholic Church official and attempting to kill another patient at Somerset Medical Center in Somerville .