Investigation will look at the department 's use of force . It will also assess stops , searches and arrests . Comment: Probe is `` very serious , '' can lead to `` virtual federal takeover '' 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 assess stops , searches and arrests . Analyst : Probe is `` very serious , '' can lead to `` virtual federal takeover '' of police . It is distinct from another federal probe that 's specific to Michael Brown 's shooting .