Please find the double-speak in this "FAQ" from ACLU's homepage:
Why does the ACLU want to remove crosses from federal cemeteries?
The ACLU is not pursuing, nor has it ever pursued, the removal of religious symbols from personal gravestones. Personal gravestones are the choice of the family members, not the choice of the government. The ACLU celebrates this freedom to choose the religious symbol of your choice. Read more about the ACLU's stance on religious freedom.
And I can't find names, offices, or even a headquarters listing. You're right, they even organize like a terrorist organization. The SS of the Forth Reich for the socialist movement (DNC)