Context: Coming off their overtime win over the Browns, the Bengals looked to win for Defensive Coordinator Mike Zimmer who had lost his wife during the week as they flew to M&T Bank Stadium for a Week 5 AFC North duel with the Baltimore Ravens.  The winner of this game would take the lead in the division after five weeks. After a scoreless first quarter, the Bengals would trail in the second quarter with Ravens safety Ed Reed returning an interception 52 yards for a touchdown.  Cincinnati would begin to build steam as kicker Shayne Graham nailed a 32-yard field goal.  The Bengals would take the lead in the third quarter with a 28-yard touchdown run from running back Cedric Benson.  Baltimore then came back in the fourth quarter when Ray Rice caught a screen pass and ran it 48 yards for the go-ahead touchdown, but with 27 seconds left, Cincinnati would complete their comeback with a 20-yard touchdown pass from quarterback Carson Palmer to wide receiver Andre Caldwell, which led to Gus Johnson's line, "The Cardiac Cats strike again." With the win, not only did the Bengals take the division lead at 4-1, but Benson (27 carries, 120 yards, 1 TD) would snap the Ravens defense's 40-game streak of not allowing a 100-yard rusher.

Question: Who scored the first touchdown of the game?

Answer:
Ed Reed