To keep track of Damian, Bruce embedded 4 tiny tracking chips into his Robin uniform. Of course, Damian promptly found and removed them all within a month. He then preceded to surgically plant them within Alfred T. Cat, Titus, Batcow, and Jerry T. Turkey. But what Damian doesn’t know is that Bruce actually planted a 5th chip underneath Damians skin, during the first time that Alfred had to sew a knife wound closed. Like Father, Like Son.