CHICAGO (WLS) -- Major DNA backlog improvements have been made six years after an I-Team investigation uncovered massive DNA delays and murder evidence sitting in Illinois labs. Robin Woolery, the ...

ST. PAUL — The Hennepin County Sheriff’s Office has put DNA testing at its crime lab on hold as it works to determine the source of “sporadic DNA contamination.” The sheriff’s office said it appears ...

NEW ORLEANS — When a pair of suspects fled a routine traffic stop and shot at a Baton Rouge-area police officer in 2020, DNA at the crime scene helped police quickly arrest one suspect. But the other ...

Before a cell divides, its DNA is replicated so that each daughter cell inherits the same genetic information. The two copies, known as "sister chromatids," are held together by a ring-shaped protein ...