Man turned meme Caleb "Kai" Lawrence McGillvary, the celebrity hitchhiker who was on the run from police this week, has been arrested in Pennsylvania for the murder of 73-year-old lawyer Joseph Galfy.

Galfy was discovered beaten to death in his Clark, New Jersey, residence on Monday, and today police issued a warrant for McGillvary's arrest. The 24-year-old drifter, who says he is not homeless but "home free," was captured at a Greyhound bus station in Philadelphia.

According to Philadelphia's NBC 10, authorities believe Galfy picked up McGillvary in Times Square Saturday night before taking him to his house. They also believe the two had a "sexual encounter."

In a Facebook posting from Tuesday, one day after police discovered Galfy's body, a user called "Caleb Kai Lawrence Yodhehwawheh," who appears to be McGillvary, posted this: