Gang members are suspected in several crimes from Prince William County to Baltimore. In Washington's Trinidad neighborhood, where police are battling an increase in violence this year, young people are wearing the Bloods' colors and flashing their hand signs. However, police say they haven't tied the gang to any homicides in the neighborhood. Bloods and the Crips, well-known gangs on the West Coast, are a growing concern for law enforcement in the Washington area. "We've started seeing more and more signs of the Crips and Bloods -- more Bloods than Crips," D.C. Police Chief Cathy L. Lanier said. "We are seeing a growing presence in the graffiti, the clothing, the symbols." In Montgomery County, authorities have linked a shooting and three stabbings to a Bloods-Crips feud. In February, a federal grand jury in Baltimore indicted 28 members of a gang called the Tree Top Piru Bloods on charges including murder, robbery, drug trafficking and witness inti...