Thanks to all who passed on the email:
“Please help me find my way back home. I was last seen on 8th and T NW. My name is Lizzy but I am deaf so I can’t hear you if you call me please be patient if you find me because I will be a little scared but I don’t run so fast. If you see me or find me please TEXT 202-802-8365 . the nice person will help me get home if you see this please share it so other people can help look for me. I’m very little and very scared and I need to go home”
UPDATE: Found