The idea that X is Miranda and Lex's child has some potential. He would be made at Lois and Clark for being responsible for sending31985, which would work within canon, he would have know his mother for about 10 years before she went away to jail, so he would be a ten year old when she went away, and probably really mad about it.
On the issue of the robbery, I have to wonder if it was done by a clone.
Although part of me could think of some other addictive habits that could consume large amounts of money that the lawyer might be involved in.
