Investigation will look at the department 's use of force . It will also include stops , incidents and arrests . It is distinct from the Justice Department 's previously announced civil rights probe that is specific to the August 9 shooting of Brown , an unarmed African-American teenager , by Ferguson police Officer Darren Wilson , who is white . Analyst : This is ` ` very serious , '' can lead to ` ` virtual federal investigation '' of police . It is distinct from another federal probe that 's specific to Michael Brown 's shooting .
Investigation will look at the department 's use of force . It will also include stops , incidents and arrests . Analyst : This is ` ` very serious , '' can lead to ` ` virtual federal investigation '' of police . It is distinct from another federal probe that 's specific to Michael Brown 's shooting .