21.   Police said Cummings had not been robbed and they offered no motive for the crime.

22.   Police were baffled by the attack and were unable to offer any motive for the bombing.

23.   Police offered no motive for the slayings.

24.   Police offered no motives for the crime but said they have ruled out robbery since the victims arrived at the hospital with all of their belongings.

25.   Authorities did not offer a motive.

26.   Authorities have not publicly offered a motive for the crime or any known connection between the Zantops and the suspects.

27.   Authorities have offered no motive for the shootings but Myers said police were investigating whether they were racially motivated.

28.   Authorities offered no motive.

29.   Authorities were searching for a suspect and offered no motive for the shooting in the McGuire Gardens housing development, a few blocks from where Rozier lives.

30.   He offered no motive for the slaying but said state authorities were investigating.