for executing his girlfriend. 19-year-old charles jakes pleaded guilty to killing 14-year-old shon tetra griffin in 2008. jacques only new griffin for a few weeks. they say he shot her in the temple at close range. jacques had just gotten out of jail a few weeks earlier. >> the two men involved in the murder of a city homicide witness got long sentences in federal prison. 28-year-old marcus pearson will spend 35 years behind bars. ronald williams, 25 years. all for the death of carl lackl. both men played key roles in the killing. orchestrated by patrick bears. using a contraband chrome from the jail cell. he is serving a life sentence. >> by may of this year nearly 3000 juveniles were arrested in the city of baltimore. more juveniles were arrested in may in the southwest district it than any other district. but experts say there are far more juvenile crimes that go unreported. and for those arrests. politicians believe some are getting off too easy. >> there is a group out there. violent young people that seem to be getting a free pass. and they go back out and they commit crime after crime aft