Elisa Perez was last seen January 31 . `` When you turned the tap on , the water was coming black first for two seconds and then it was going back to normal . '' Her mother called to report her missing February 6 . The covered water fountain was one of four on top of the roof and was behind a locked door . Police said black water could run out of tap for a few seconds , then run clear .
Elisa Perez was last seen January 31 . Her mother called to report her missing February 6 . The covered water fountain was one of four on top of the roof and was behind a locked door . Police said black water could run out of tap for a few seconds , then run clear .