Yavas
[Pronounced- Yuh-vass]

First things first. She's basically blind. Yavas does not know how but she woke up one day with a throbbing headache and eternal darkness. She was given what looks like a contact lense for both eyes by an old man she never identified. Therefore her eyes work as a camera and the lenses affect her brain so she has the ability to literally take pictures and videos and save them in her mind.
Now your probably wondering how Yavas has any sort of connection to the Doctor. Well that's up to you if you want them to be connected to him 'family' wise or friend wise at all. But what I will say is that when the Doctor finds himself in 2014 good ol' New York city he is confused on why the TARDIS just had to stop here and practically refuse to go anywhere else. After doing some digging around he finds out about Yavas due to her criminal history and 'Have You Seen This Child' papers on every wall and telephone pole there could be there.
But when he tries to dig further and finds out about the connection of both of they're pasts, will he dig further? Or will he finally realize that most secrets are better left hidden?
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Yavas blinked rabidly before heading into a store with bright lights all around it. She pretended to study the racks of candies by the cash register but was really looking at the credit card a man was using to pay for a bag of unknown stuff. The camera in her eyes did their magic and focused on the card. Then they zoomed in on the numbers and snapped pictures. All saved in her twisted mind. Then Yavas handed five bucks to the cashier and grabbed a bag of 'War Heads X-tremes' then she walked out the door. The small girl headed to what looked like an ice chest. It was empty inside all except for a black duffle bag which she pulled a laptop out of. After a series of minutes the girl had all sorts of stupid crap purchased online with the poor man's credit card. Grinning mischievously she grabbed her stuff and ran.