21.   Detectives had tried to link Williams to another massacre, this one in Georgia, Lewis said.

22.   He declined to identify them and said that detectives were still trying to determine what sort of weapon was used on Tarquino.

23.   He said detectives are still trying to track down documents and financial records in a search for clues.

24.   In Brooklyn, detectives were still trying to determined who discarded the acid that killed Hanly and injured his partner, Thomas Giammarino.

25.   In this case, the detectives were trying to solve a killing that occurred in the eastern Bronx in October.

26.   On Tuesday, detectives were trying to determine a motive in the killing, which shocked neighbors in this middle-class community of single-family homes.

27.   On Wednesday night, detectives were still trying to determine who shot whom during the gun battle.

28.   Schmidt said detectives were still trying to establish how the four suspects came to be acquainted and how they knew of Kalsaria.

29.   She said detectives were trying to learn if the boy had encountered Jimenez while fishing the river.

30.   That is one of the factors being considered as detectives try to determine a motive.