What did the end of the old man mean?

What did the end of the old man mean? The Old Man ending explained: When Dan Chase reveals the big secret about “his” daughter, a lot of the show’s mysteries are resolved. The risk Hamzad takes by killing one American intelligence agent (Waters) and burning another (Harper) so he could kidnap a third (Angela) suddenly makes sense.

The Old Man ending explained: When Dan Chase reveals the big secret about “his” daughter, a lot of the show’s mysteries are resolved. The risk Hamzad takes by killing one American intelligence agent (Waters) and burning another (Harper) so he could kidnap a third (Angela) suddenly makes sense.
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