Tadeo Ono had left, and it was just before he left that he glanced at Yoko Ono. However, Yoko also noticed that in Tadeo Ono's eyes, there wasn't the kind of affection one would expect from a father. There was only the sharpness of an unsheathed sword.
To pursue Sword Dao, Tadeo Ono had long since become estranged from his family, which was why Yoko found him to be very unfamiliar.
Their Ono Clan was a dysfunctional family.
...
The research facility in the garden had caught fire. Yusuf Zuck had not found any explosives, so he had to resort to arson.
Of course, over sixty research personnel also died in the fire.
Killing these defenseless researchers wasn't difficult; since he attacked from below and moved too quickly, by the time the alarm went off and the guards rushed in, he had almost finished the job.
He didn't know exactly what they were researching here, but setting the fire cleansed it all.