NEW YORK (AP) — NEW : Family members vow to keep searching for nursing student Michelle Le . Le was last seen on May 27 in a hospital parking garage . Police classify the case as a homicide , but family members have held out hope .
NEW : Police say DNA evidence found on a shoe helped lead to the suspect 's arrest . NEW : Family members vow to keep searching for nursing student Michelle Le . Le was last seen on May 27 in a hospital parking garage . Police classify the case as a homicide , but family members have held out hope .