diff --git a/app/controllers/ajax/answer_controller.rb b/app/controllers/ajax/answer_controller.rb
index f15fe671..b55c8856 100644
--- a/app/controllers/ajax/answer_controller.rb
+++ b/app/controllers/ajax/answer_controller.rb
@@ -1,4 +1,11 @@
 class Ajax::AnswerController < ApplicationController
+  rescue_from(ActionController::ParameterMissing) do |titanic_param|
+    @status = :parameter_error
+    @message = "#{titanic_param.param.capitalize} is required"
+    @success = false
+    render partial: "ajax/shared/status"
+  end
+
   def create
     params.require :id
     params.require :answer
@@ -27,6 +34,14 @@ class Ajax::AnswerController < ApplicationController
       end
     end
 
+    # this should never trigger because empty params throw ParameterMissing
+    unless params[:answer].length > 0
+      @status = :peter_dinklage
+      @message = "Answer is too short"
+      @success = false
+      return
+    end
+
     answer = nil
 
     begin
diff --git a/app/controllers/ajax/comment_controller.rb b/app/controllers/ajax/comment_controller.rb
index 7d40b3bd..daa87c05 100644
--- a/app/controllers/ajax/comment_controller.rb
+++ b/app/controllers/ajax/comment_controller.rb
@@ -1,4 +1,11 @@
 class Ajax::CommentController < ApplicationController
+  rescue_from(ActionController::ParameterMissing) do |param_miss_ex|
+    @status = :parameter_error
+    @message = "#{param_miss_ex.param.capitalize} is required"
+    @success = false
+    render partial: "ajax/shared/status"
+  end
+
   def create
     params.require :answer
     params.require :comment
diff --git a/app/controllers/ajax/friend_controller.rb b/app/controllers/ajax/friend_controller.rb
index c6e50fef..51aaf4a6 100644
--- a/app/controllers/ajax/friend_controller.rb
+++ b/app/controllers/ajax/friend_controller.rb
@@ -1,4 +1,11 @@
 class Ajax::FriendController < ApplicationController
+  rescue_from(ActionController::ParameterMissing) do |param_miss_ex|
+    @status = :parameter_error
+    @message = "#{param_miss_ex.param.capitalize} is required"
+    @success = false
+    render partial: "ajax/shared/status"
+  end
+  
   def create
     params.require :screen_name
 
diff --git a/app/controllers/ajax/group_controller.rb b/app/controllers/ajax/group_controller.rb
index 366f328f..79fa383f 100644
--- a/app/controllers/ajax/group_controller.rb
+++ b/app/controllers/ajax/group_controller.rb
@@ -1,4 +1,11 @@
 class Ajax::GroupController < ApplicationController
+  rescue_from(ActionController::ParameterMissing) do |param_miss_ex|
+    @status = :parameter_error
+    @message = "#{param_miss_ex.param.capitalize} is required"
+    @success = false
+    render partial: "ajax/shared/status"
+  end
+  
   def create
     @status = :err
     @success = false
@@ -101,7 +108,7 @@ class Ajax::GroupController < ApplicationController
       @checked = false
       @message = "Successfully removed user from group."
     end
-      
+
     @status = :okay
     @success = true
   end
diff --git a/app/controllers/ajax/inbox_controller.rb b/app/controllers/ajax/inbox_controller.rb
index de146bcd..36ef0124 100644
--- a/app/controllers/ajax/inbox_controller.rb
+++ b/app/controllers/ajax/inbox_controller.rb
@@ -1,4 +1,11 @@
 class Ajax::InboxController < ApplicationController
+  rescue_from(ActionController::ParameterMissing) do |param_miss_ex|
+    @status = :parameter_error
+    @message = "#{param_miss_ex.param.capitalize} is required"
+    @success = false
+    render partial: "ajax/shared/status"
+  end
+  
   def create
     unless user_signed_in?
       @status = :noauth
diff --git a/app/controllers/ajax/moderation_controller.rb b/app/controllers/ajax/moderation_controller.rb
index 82b438af..de458089 100644
--- a/app/controllers/ajax/moderation_controller.rb
+++ b/app/controllers/ajax/moderation_controller.rb
@@ -1,5 +1,11 @@
 class Ajax::ModerationController < ApplicationController
-
+  rescue_from(ActionController::ParameterMissing) do |param_miss_ex|
+    @status = :parameter_error
+    @message = "#{param_miss_ex.param.capitalize} is required"
+    @success = false
+    render partial: "ajax/shared/status"
+  end
+  
   def vote
     params.require :id
     params.require :upvote
diff --git a/app/controllers/ajax/question_controller.rb b/app/controllers/ajax/question_controller.rb
index c3351b47..2be73fc3 100644
--- a/app/controllers/ajax/question_controller.rb
+++ b/app/controllers/ajax/question_controller.rb
@@ -1,6 +1,13 @@
 class Ajax::QuestionController < ApplicationController
   include MarkdownHelper
 
+  rescue_from(ActionController::ParameterMissing) do |param_miss_ex|
+    @status = :parameter_error
+    @message = "#{param_miss_ex.param.capitalize} is required"
+    @success = false
+    render partial: "ajax/shared/status"
+  end
+
   def destroy
     params.require :question
 
diff --git a/app/controllers/ajax/report_controller.rb b/app/controllers/ajax/report_controller.rb
index 42ab82da..47a1c581 100644
--- a/app/controllers/ajax/report_controller.rb
+++ b/app/controllers/ajax/report_controller.rb
@@ -1,4 +1,11 @@
 class Ajax::ReportController < ApplicationController
+  rescue_from(ActionController::ParameterMissing) do |param_miss_ex|
+    @status = :parameter_error
+    @message = "#{param_miss_ex.param.capitalize} is required"
+    @success = false
+    render partial: "ajax/shared/status"
+  end
+  
   def create
     params.require :id
     params.require :type
diff --git a/app/controllers/ajax/smile_controller.rb b/app/controllers/ajax/smile_controller.rb
index d834d483..e7e10f5c 100644
--- a/app/controllers/ajax/smile_controller.rb
+++ b/app/controllers/ajax/smile_controller.rb
@@ -1,4 +1,11 @@
 class Ajax::SmileController < ApplicationController
+  rescue_from(ActionController::ParameterMissing) do |param_miss_ex|
+    @status = :parameter_error
+    @message = "#{param_miss_ex.param.capitalize} is required"
+    @success = false
+    render partial: "ajax/shared/status"
+  end
+  
   def create
     params.require :id
 
diff --git a/app/controllers/ajax/subscription_controller.rb b/app/controllers/ajax/subscription_controller.rb
index 9b07b0c5..40016e64 100644
--- a/app/controllers/ajax/subscription_controller.rb
+++ b/app/controllers/ajax/subscription_controller.rb
@@ -1,5 +1,11 @@
 class Ajax::SubscriptionController < ApplicationController
   before_filter :authenticate_user!
+  rescue_from(ActionController::ParameterMissing) do |param_miss_ex|
+    @status = :parameter_error
+    @message = "#{param_miss_ex.param.capitalize} is required"
+    @success = false
+    render partial: "ajax/shared/status"
+  end
 
   def subscribe
     params.require :answer