I've modified this Original Reddit Post a bit. Let me know your thoughts and criticisms, if there is anything I should add, or correct.

Crowd-sourced map of ICE activity

Important: Scams spike during crackdowns. Only use trusted directories to find legal help. Don’t send money to strangers:

• National Immigration Legal Services Directory (state-by-state nonprofit listing)

If someone is detained: what to do:

• Use ICE’s Online Detainee Locator System (ODLS) to search by name/DOB/country of birth or A-number.
• ICE also provides official info on locating people in detention.
• USA.gov has a plain-language explainer for families.

Know Your Rights

Printable “Know Your Rights” cards

• NILC wallet card (english)
• ILRC “Red Card” (english)

If ICE comes to your door

• Keep the door closed. Don’t consent to entry. Ask for a warrant signed by a judge.
• Do not open the door. Speak through the door. Ask who they are and what they want.
• Ask them to slide the warrant under the door or hold it up to a window so you can read it.
• Administrative ICE “warrants” (ICE/DHS forms) are not the same as a judicial warrant signed by a judge and generally do not authorize entry into a home without consent.
• You can use/print a Know Your Rights card and slide it under the door or show it in the window.

If enforcement shows up at a workplace

• Employers/workplaces have rights too; don’t consent to entry beyond public areas, and ask for proper legal paperwork.
• NILC has an employer response guide.
• ACLU also summarizes workplace encounters

Family preparedness

1. Write a disaster plan on paper for if the unthinkable happens at your work, home, school, or any other place you spend a lot of time
   • Emergency contacts (paper, phone, radio frequencies)
   • meeting points
   • who will pick up kids/pets
   • who has keys
   • who can translate (if needed)
   • secret passphrases which can be used to quickly communicate while under duress or to prove who you are
2. Document readiness
   • Keep copies of key documents (ID, lease, medication list, insurance, school info, pet records) in a “grab folder,” plus a secure digital backup. Search for “fireproof document bag” if you want extra security.
   • If you’re a U.S. citizen and anxious: a Real ID / passport card can reduce friction in many situations, but you still have the right to remain silent and to ask for counsel if questioned.
3. Communication and Energy Backup
   • Memorize important phone numbers, radio frequencies, addresses, etc.
   • A paper copy of important phone numbers, radio frequencies, addresses, etc.
   • Portable Battery bank
   • Spare Charging Cable
   • An “anchor contact” that friends know to check in with.
4. Transit plan (especially if you don’t have a car)
   • Map your nearest: friend’s place, a library, fire station, community center (warming/cooling), and safe daytime places you can wait if needed.
   • Keep a small “walk-out kit”: water, snacks, transit card, phone power, medications, and pet essentials.
5. De-escalation + safety habits
   • Don’t open the door to unknown knocks.
   • Use a peephole / door camera if it helps you avoid opening the door
   • Buddy system with neighbors: “If you hear anything weird, text me first; if I don’t reply in X minutes, call.”

Helpful Readiness guides

• ready.gov
• Red Cross - how to prepare for emergencies
• ILRC’s Step-by-Step Family Preparedness Plan is the best all-in-one toolkit I’ve found for immigration-related emergencies.
• How to Build a Tiered Readiness Plan for SHTF [video]

Other related reddit posts:

• Glass doors - how important do you think it is to swap for a more solid door these days?
• Minnesotan Mother to a Young Child. I can’t believe I’m writing this, but here we are.
• Automations for safety and notifications
• Prepping for your pets, not in the usual way we talk about
• Prepping for quick protest action
• Explaining local ICE raids to my kids
• What should people who are at risk of ice keep on their person?
• So what are we stocking up on with these ICE raids?
• ICE Watch Programs Can Protect Immigrants in Your Neighborhood — Here’s What to Know