Helping
I am part of groups that use the Signal app to message immediately with the exact address, descriptions, what is happening, photos if possible. Then, if one or more of us is available, we go to the location to witness and record with the hope that our presence prevents people from more violence against them. We use the apps so that word can get out quickly. We only add those we know personally to avoid infiltration.
I also volunteer to stand outside of the worship services of immigant populations to watch for ICE and alert them to go into non-public areas of the buildings so that they can worship in peace. Churches are looking for help.
Contacting Luminous and other organizations for other ways to help is useful too.
Simply posting ICE sightings is only going to make us feel worse unless we can act in the moment.