The 7 biggest questions we have after this week's 'Westworld' episode

As always, we have questions about "Westworld," this time after watching the second episode of season two, called "Reunion.'

In the episode, we find out that William/The Man in Black is responsible for building something he calls his "greatest mistake," and Dolores claims she's looking for a weapon that could be what William is referring to.

We also learn a little more about the history of the characters on the show including Logan, who we see discover the technology of the hosts in the past.

Here are our biggest questions after watching 'Westworld' season 2, episode 2: