diff --git a/Gemfile b/Gemfile
index c7fcb12..2815a8c 100644
--- a/Gemfile
+++ b/Gemfile
@@ -40,6 +40,10 @@ gem 'puma'
 gem 'geocoder'
 gem 'rails_12factor'
 
+gem 'rails_admin'
+
+gem 'mongoid_paranoia'
+
 group :development, :test do
   # Call 'byebug' anywhere in the code to stop execution and get a debugger console
   gem 'byebug'
diff --git a/Gemfile.lock b/Gemfile.lock
index f23be6f..71cea83 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -68,9 +68,13 @@ GEM
     diff-lcs (1.2.5)
     erubis (2.7.0)
     execjs (2.6.0)
+    font-awesome-rails (4.6.1.0)
+      railties (>= 3.2, < 5.1)
     geocoder (1.3.1)
     globalid (0.3.6)
       activesupport (>= 4.1.0)
+    haml (4.0.7)
+      tilt
     i18n (0.7.0)
     jbuilder (2.4.1)
       activesupport (>= 3.0.0, < 5.1)
@@ -79,7 +83,12 @@ GEM
       rails-dom-testing (>= 1, < 3)
       railties (>= 4.2.0)
       thor (>= 0.14, < 2.0)
+    jquery-ui-rails (5.0.5)
+      railties (>= 3.2.16)
     json (1.8.3)
+    kaminari (0.16.3)
+      actionpack (>= 3.0.0)
+      activesupport (>= 3.0.0)
     loofah (2.0.3)
       nokogiri (>= 1.5.9)
     mail (2.6.4)
@@ -97,11 +106,18 @@ GEM
       mongo (~> 2.1)
       origin (~> 2.1)
       tzinfo (>= 0.3.37)
+    mongoid-compatibility (0.3.1)
+      activesupport
+      mongoid (>= 2.0)
     mongoid-rspec (3.0.0)
       mongoid (~> 5.0)
       rake
       rspec (~> 3.3)
+    mongoid_paranoia (0.2.1)
+      mongoid (>= 4)
+      mongoid-compatibility
     multi_json (1.11.2)
+    nested_form (0.3.2)
     nokogiri (1.6.7.2)
       mini_portile2 (~> 2.0.0.rc2)
     origin (2.2.0)
@@ -113,6 +129,9 @@ GEM
       pry (>= 0.9.10)
     puma (3.2.0)
     rack (1.6.4)
+    rack-pjax (0.8.0)
+      nokogiri (~> 1.5)
+      rack (~> 1.1)
     rack-test (0.6.3)
       rack (>= 1.0)
     rails (4.2.6)
@@ -140,6 +159,20 @@ GEM
     rails_12factor (0.0.3)
       rails_serve_static_assets
       rails_stdout_logging
+    rails_admin (0.8.1)
+      builder (~> 3.1)
+      coffee-rails (~> 4.0)
+      font-awesome-rails (>= 3.0, < 5)
+      haml (~> 4.0)
+      jquery-rails (>= 3.0, < 5)
+      jquery-ui-rails (~> 5.0)
+      kaminari (~> 0.14)
+      nested_form (~> 0.3)
+      rack-pjax (~> 0.7)
+      rails (~> 4.0)
+      remotipart (~> 1.0)
+      safe_yaml (~> 1.0)
+      sass-rails (>= 4.0, < 6)
     rails_serve_static_assets (0.0.5)
     rails_stdout_logging (0.0.5)
     railties (4.2.6)
@@ -150,6 +183,7 @@ GEM
     rake (11.1.1)
     rdoc (4.2.2)
       json (~> 1.4)
+    remotipart (1.2.1)
     rspec (3.4.0)
       rspec-core (~> 3.4.0)
       rspec-expectations (~> 3.4.0)
@@ -171,6 +205,7 @@ GEM
       rspec-mocks (~> 3.4.0)
       rspec-support (~> 3.4.0)
     rspec-support (3.4.1)
+    safe_yaml (1.0.4)
     sass (3.4.21)
     sass-rails (5.0.4)
       railties (>= 4.0.0, < 5.0)
@@ -233,11 +268,13 @@ DEPENDENCIES
   jquery-rails
   mongoid (~> 5.0.0)
   mongoid-rspec (= 3.0.0)
+  mongoid_paranoia
   pry-rails
   puma
   rails (~> 4.2)
   rails-i18n
   rails_12factor
+  rails_admin
   rspec-rails (~> 3.0)
   sass-rails (~> 5.0)
   sdoc (~> 0.4.0)
diff --git a/app/controllers/admin/supporters_controller.rb b/app/controllers/admin/supporters_controller.rb
deleted file mode 100644
index 03f4af2..0000000
--- a/app/controllers/admin/supporters_controller.rb
+++ /dev/null
@@ -1,5 +0,0 @@
-class Admin::SupportersController < Admin::ApplicationController
-  def index
-    @supporters = Supporter.desc(:created_at)
-  end
-end
diff --git a/app/models/supporter.rb b/app/models/supporter.rb
index fb1aaad..34e2351 100644
--- a/app/models/supporter.rb
+++ b/app/models/supporter.rb
@@ -1,6 +1,7 @@
 class Supporter
   include Mongoid::Document
   include Mongoid::Timestamps
+  include Mongoid::Paranoia
   include Geocoder::Model::Mongoid
 
   COUNTER_START = 322
@@ -20,6 +21,9 @@ class Supporter
   field :coordinates,   type: Array
   field :comments,      type: String
   field :language,      type: String
+  field :email2,        type: String
+  field :email3,        type: String
+  field :duplicate,     type: Boolean, default: false
 
   validates :first_name,   presence: true
   validates :last_name,    presence: true
diff --git a/app/views/admin/supporters/index.slim b/app/views/admin/supporters/index.slim
deleted file mode 100644
index e7fdd32..0000000
--- a/app/views/admin/supporters/index.slim
+++ /dev/null
@@ -1,25 +0,0 @@
-h1 #{@supporters.count} Unterstützer
-table.table
-  tr
-    th Eingeschrieben
-    th Adresse
-    th Unterstützung
-    th width="20%" Kommentar
-  - @supporters.each do |supporter|
-    tr
-      td = distance_of_time_in_words_to_now(supporter.created_at)
-      td 
-        address
-          = "#{supporter.first_name} #{supporter.last_name}"
-          = 
-          br
-          = supporter.street
-          br
-          = "#{supporter.zip} #{supporter.city}"
-      td 
-        = supporter.support
-        - if supporter.li_membership
-          br
-          | Mitgliedschaft
-      td = supporter.comments
-          
diff --git a/config/initializers/rails_admin.rb b/config/initializers/rails_admin.rb
new file mode 100644
index 0000000..5bfb5ad
--- /dev/null
+++ b/config/initializers/rails_admin.rb
@@ -0,0 +1,58 @@
+RailsAdmin.config do |config|
+  config.authorize_with do
+    unless Rails.env.development?
+      authenticate_or_request_with_http_basic('Administration') do |username, password|
+        username == 'admin' && password == ENV['ADMIN_PASSWORD']
+      end
+    end
+  end
+
+  config.model 'Supporter' do
+    list do
+      field :duplicate
+      field :first_name
+      field :last_name
+      field :zip
+      field :city
+      field :email
+      field :language
+      field :support
+      field :li_membership
+    end
+  end
+
+  ### Popular gems integration
+
+  ## == Devise ==
+  # config.authenticate_with do
+  #   warden.authenticate! scope: :user
+  # end
+  # config.current_user_method(&:current_user)
+
+  ## == Cancan ==
+  # config.authorize_with :cancan
+
+  ## == Pundit ==
+  # config.authorize_with :pundit
+
+  ## == PaperTrail ==
+  # config.audit_with :paper_trail, 'User', 'PaperTrail::Version' # PaperTrail >= 3.0.0
+
+  ### More at https://github.com/sferik/rails_admin/wiki/Base-configuration
+
+  config.actions do
+    dashboard                     # mandatory
+    index                         # mandatory
+    new
+    # export
+    # bulk_delete
+    show
+    edit
+    delete
+    # show_in_app
+
+    ## With an audit adapter, you can add:
+    # history_index
+    # history_show
+  end
+end
diff --git a/config/locales/rails_admin.de.yml b/config/locales/rails_admin.de.yml
new file mode 100644
index 0000000..6f5f9bf
--- /dev/null
+++ b/config/locales/rails_admin.de.yml
@@ -0,0 +1,150 @@
+de:
+  admin:
+    js:
+      true: True
+      false: False
+      is_present: Is present
+      is_blank: Is blank
+      date: Date ...
+      between_and_: Between ... and ...
+      today: Today
+      yesterday: Yesterday
+      this_week: This week
+      last_week: Last week
+      number: Number ...
+      contains: Contains
+      is_exactly: Is exactly
+      starts_with: Starts with
+      ends_with: Ends with
+      too_many_objects: "Too many objects, use search box above"
+      no_objects: "No objects found"
+    loading: "Loading..."
+    toggle_navigation: Toggle navigation
+    home:
+      name: "Home"
+    pagination:
+      previous: "&laquo; Prev"
+      next: "Next &raquo;"
+      truncate: "…"
+    misc:
+      search: "Search"
+      filter: "Filter"
+      refresh: "Refresh"
+      show_all: "Show all"
+      add_filter: "Add filter"
+      bulk_menu_title: "Selected items"
+      remove: "Remove"
+      add_new: "Add new"
+      chosen: "Chosen %{name}"
+      chose_all: "Choose all"
+      clear_all: "Clear all"
+      up: "Up"
+      down: "Down"
+      navigation: "Navigation"
+      navigation_static_label: "Links"
+      log_out: "Log out"
+      ago: "ago"
+    flash:
+      successful: "%{name} successfully %{action}"
+      error: "%{name} failed to be %{action}"
+      noaction: "No actions were taken"
+      model_not_found: "Model '%{model}' could not be found"
+      object_not_found: "%{model} with id '%{id}' could not be found"
+    table_headers:
+      model_name: "Model name"
+      last_created: "Last created"
+      records: "Records"
+      username: "User"
+      changes: "Changes"
+      created_at: "Date/Time"
+      item: "Item"
+      message: "Message"
+    actions:
+      dashboard:
+        title: "Site Administration"
+        menu: "Dashboard"
+        breadcrumb: "Dashboard"
+      index:
+        title: "List of %{model_label_plural}"
+        menu: "List"
+        breadcrumb: "%{model_label_plural}"
+      show:
+        title: "Details for %{model_label} '%{object_label}'"
+        menu: "Show"
+        breadcrumb: "%{object_label}"
+      show_in_app:
+        menu: "Show in app"
+      new:
+        title: "New %{model_label}"
+        menu: "Add new"
+        breadcrumb: "New"
+        link: "Add a new %{model_label}"
+        done: "created"
+      edit:
+        title: "Edit %{model_label} '%{object_label}'"
+        menu: "Edit"
+        breadcrumb: "Edit"
+        link: "Edit this %{model_label}"
+        done: "updated"
+      delete:
+        title: "Delete %{model_label} '%{object_label}'"
+        menu: "Delete"
+        breadcrumb: "Delete"
+        link: "Delete '%{object_label}'"
+        done: "deleted"
+      bulk_delete:
+        title: "Delete %{model_label_plural}"
+        menu: "Multiple delete"
+        breadcrumb: "Multiple delete"
+        bulk_link: "Delete selected %{model_label_plural}"
+      export:
+        title: "Export %{model_label_plural}"
+        menu: "Export"
+        breadcrumb: "Export"
+        link: "Export found %{model_label_plural}"
+        bulk_link: "Export selected %{model_label_plural}"
+        done: "exported"
+      history_index:
+        title: "History for %{model_label_plural}"
+        menu: "History"
+        breadcrumb: "History"
+      history_show:
+        title: "History for %{model_label} '%{object_label}'"
+        menu: "History"
+        breadcrumb: "History"
+    form:
+      cancel: "Cancel"
+      basic_info: "Basic info"
+      required: "Required"
+      optional: "Optional"
+      one_char: "character"
+      char_length_up_to: "length up to"
+      char_length_of: "length of"
+      save: "Save"
+      save_and_add_another: "Save and add another"
+      save_and_edit: "Save and edit"
+      all_of_the_following_related_items_will_be_deleted: "? The following related items may be deleted or orphaned:"
+      are_you_sure_you_want_to_delete_the_object: "Are you sure you want to delete this %{model_name}"
+      confirmation: "Yes, I'm sure"
+      bulk_delete: "The following objects will be deleted, which may delete or orphan some of their related dependencies:"
+      new_model: "%{name} (new)"
+    export:
+      confirmation: "Export to %{name}"
+      select: "Select fields to export"
+      select_all_fields: "Select All Fields"
+      fields_from: "Fields from %{name}"
+      fields_from_associated: "Fields from associated %{name}"
+      display: "Display %{name}: %{type}"
+      options_for: "Options for %{name}"
+      empty_value_for_associated_objects: "<empty>"
+      click_to_reverse_selection: 'Click to reverse selection'
+      csv:
+        header_for_root_methods: "%{name}" # 'model' is available
+        header_for_association_methods: "%{name} [%{association}]"
+        encoding_to: "Encode to"
+        encoding_to_help: "Choose output encoding. Leave empty to let current input encoding untouched: (%{name})"
+        skip_header: "No header"
+        skip_header_help: "Do not output a header (no fields description)"
+        default_col_sep: ","
+        col_sep: "Column separator"
+        col_sep_help: "Leave blank for default ('%{value}')" # value is default_col_sep
diff --git a/config/mongoid.yml b/config/mongoid.yml
index 755128a..046f454 100644
--- a/config/mongoid.yml
+++ b/config/mongoid.yml
@@ -1,8 +1,8 @@
 development:
   clients:
     default:
-      database: ch420_development
-      # database: heroku_t242kdp0
+      # database: ch420_development
+      database: heroku_t242kdp0
       hosts:
         - localhost:27017
 
diff --git a/config/routes.rb b/config/routes.rb
index 2f4a426..f325852 100644
--- a/config/routes.rb
+++ b/config/routes.rb
@@ -3,9 +3,10 @@ Rails.application.routes.draw do
 
   namespace :admin do
     get '/map', to: 'pages#map', as: :map
-
-    resources :supporters, only: :index
+    # resources :supporters, only: :index
   end
+  mount RailsAdmin::Engine => '/admin', as: 'rails_admin'
+
   get '/cities_autocomplete', to: 'cities_autocomplete#index', as: :cities_autocomplete
   scope '/:locale' do
     get '/', to: 'supporters#new'