DNA may link Philadelphia man accused of slashing people on trail to a cold-case killing, police say

Authorities say a man accused of slashing people with a large knife while riding a bicycle on a rail trail in Philadelphia is now a person of interest in the cold-case slaying of a medical student that occurred among a series of high-profile sexual ass…

​ABC News: US Authorities say a man accused of slashing people with a large knife while riding a bicycle on a rail trail in Philadelphia is now a person of interest in the cold-case slaying of a medical student that occurred among a series of high-profile sexual ass…