He had the information he needed. He interrogated the two guardsman who were on duty. At first they refused to admit they had made a mistake, especially to someone who was acting with the authority of the Mizukage. Someone who had told them in many details of what would happen should the missing person be a defector and it come out that they helped said person defect. Their career as shinobi would be over faster than it had begun and the only way to stop it was telling him everything, which they did.
He now knew where she had gone, and after some more interrogations he discovered she she had disembarked from a friendly fellows ship. The same fellow that was now ferrying him across the sea to the Land of Wind. With scrolls secured beneath his vest and away from the harmful sea water, Katsuro stood on the prow of the ship mulling over plans of actions that would be needed once he reached land. The first part was already taken care of. Ship he stood on belonged to him as long as he was trying to find his kidnapped daughter. Second thing would be the goods needed to full the guards of Konohagakure that he was indeed a trader. Which wouldn't be hard to obtain. All he would need was a sample of his wares, which he already planned to make using his Senju Arts. Lastly, he needed to find the girl before secrets could be leaks willingly, or less so.
He now knew where she had gone, and after some more interrogations he discovered she she had disembarked from a friendly fellows ship. The same fellow that was now ferrying him across the sea to the Land of Wind. With scrolls secured beneath his vest and away from the harmful sea water, Katsuro stood on the prow of the ship mulling over plans of actions that would be needed once he reached land. The first part was already taken care of. Ship he stood on belonged to him as long as he was trying to find his kidnapped daughter. Second thing would be the goods needed to full the guards of Konohagakure that he was indeed a trader. Which wouldn't be hard to obtain. All he would need was a sample of his wares, which he already planned to make using his Senju Arts. Lastly, he needed to find the girl before secrets could be leaks willingly, or less so.