A suspected serial killer accused in the deaths of six people in Delaware and Pennsylvania in 2021 was convicted of murder and other crimes by a Delaware jury on Tuesday. The jury deliberated for about six hours over two days before finding Keith Gibson of Philadelphia guilty of murder and robbery in the killings of Elsmere cellphone store clerk Leslie Ruiz-Basilio, 28, and Wilmington drug dealer Ronald Wright, 42. Gibson, 41, also was convicted of attempted murder and robbery in the shooting of Wilmington store clerk Belal Almansoori, armed robbery of a drug store, assault, conspiracy, and gun crimes.