Investigators working to crack several cold cases.

Phillip Christofoli was shot and killed March 21st in Lexington County.

On March 21st, deputies say a drug dispute turned deadly at Parkwood Drive home in Lexington County.

36 year old Phillip Christofoli was shot and killed.

Two people have already been arrested, but deputies need your help finding the accused trigger man, Thomas Outing.

The 28 year old is also known as T.J. and Warren G and frequents Columbia's North Main Street near Interstate 20.

In Richland County, the sheriff's department wants to solve a seven month old case.

Investigators say 22 year old Darren Stroman shot a man September 15th on Hunt Club Road.

The victim tried to drive himself to the hospital and ended up crashing his car.

Deputies say Stroman has gang ties.

In Columbia, an apartment fire turns into a murder investigation.

22 year old Ebony Williams was shot and killed February 3rd at the Bethel Bishop Apartments.

And in Orangeburg, deputies are also looking for a killer.

The crime happened March 7th at the Pine Hill Apartments.

Investigators say two men knocked on Charles Jenkins' door, asked if any girls were inside and began shooting.

If you know anything about any of these crimes, call CRIMESTOPPERS and 1-888-CRIME-SC.