He was later arrested on an unrelated marijuana charge .
The woman was later released , but the 19 - year - old male suspect was kept in police custody , as sources stated that he boasted about the shootings to friends .
suspect was later arrested on an unrelated marijuana charge .
The woman was later released , but the 19 - year - old male suspect was kept in police custody , as sources stated that he boasted about the shootings to friends .