(lets ignore that in real life two families would not be moved together in the witness protection agency)
The black family will be living across town from you, Karyn and Jessica now Jake and Allie respectively are 15 and 12 respectively as well, your parents have been made a few years younger and their identities have been changed.
"so Karyn is a boy my age... and jessica is 12?!?!" did these people like making drastic life altering changes to people
"I know it seems extreme but the different you are the less chance you are found. now you are going to meet your new twin brother and younger sister in a few minutes, you need to get dressed. here are some clothes
