Edition: U.S. / Global  Youthful, Impressionable And Accused of
Murder  Published: May 17, 1994 (Page 7 of 9)  Joe moved to the
Bronx from San Juan, P.R., with his family when he was nearly a
year old. His parents separated about seven years ago, leaving
his mother, Carmen Olmedo, who receives public assistance, to
raise Joe and seven other children. But his father, Alejandro
Sanchez, who lives nearby, says he has kept close ties to the
family.  Joe was a slow learner who showed little interest in
his studies, his mother said. But while he sometimes played
hookey, she said he was never a habitual truant.  His family
said he has no criminal record and was not a troublesome child,
and he has pleaded not guilty to the killing. The family
maintains he had never given them reason to believe he was
capable of such violence.  "My heart tells me that he didn't do
it," said Mrs. Olmedo. TAHIR TOOMBS, 13 Pleaded guilty to
murder; sentenced to 9 years to life  Tahir killed for the first
time in Ozone Park, Queens. He sh