Tipster, DNA help lead to arrest in deadly 2020 Mt. Oliver home invasion, court documents say

Nearly five years after 24-year-old Damon Lincoln was shot and killed inside his Mt. Oliver home, police have made an arrest in the case.

Allegheny County police announced that David Barlow has been charged in connection with Lincoln’s death. DNA evidence and a witness recently came forward.

Lincoln was killed in 2020 after police say a masked man, who police say is David Barlow, forced him inside his Anthony Street home. Lincoln’s mother, Janet Dearolf, said she heard a commotion and rushed downstairs. Dearolf says she was beaten, and when her son came to protect her, Lincoln was shot.

In early 2025, according to investigators, a person came forward and told police that Barlow admitted to the killing, saying he had bled at the scene and feared he would eventually be caught. Police collected a DNA sample from Barlow…

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