If you want to financially show your support, the Tree of Life synagogue in Pittsburgh has a GoFundMe page https://www.gofundme.com/tree-of-life-stands-with-chr

If you want to financially show your support, the Tree of Life synagogue in Pittsburgh has a GoFundMe page https://www.gofundme.com/tree-of-life-stands-with-christchurch-mosques https://www.gofundme.com/tree-of-life-stands-with-christchur.... It can be verified on their site and other channels. It's important that victims of white supremacist terrorism stand together, and that decent people reject it.