Board Thread:Episode Discussion/@comment-25396609-20191214150938/@comment-24994749-20191216040314

Welp then, Blake and Yang just f*cked up big time...

...unless May was trying to camo herself from the killer and accidentally caught Tyrian on the dome.

As for Penny noticing them during Sparks, they were walking in the snow, so she might have simply noticed their trails.

Alternatively, Penny has different vision modes... I mean, we know she has a low-light mode from the election episode, but she might also have infrared or maybe a sonar. Depending how May's semblance works, that might allow Penny to bypass it.