diff --git a/app/models/visitor.rb b/app/models/visitor.rb
index 0650641..2ff8d64 100644
--- a/app/models/visitor.rb
+++ b/app/models/visitor.rb
@@ -33,6 +33,16 @@ class Visitor < ActiveRecord::Base
           options.merge!(:appearance => @appearance)
        end
     end
+
+    if options.delete(:skip_fraud_protection)
+       last_answered_appearance = self.appearances.find(:first,
+			:conditions => ["appearances. question_id = ? AND appearances.answerable_id IS NOT NULL", prompt.question_id],
+			:order => 'id DESC')
+       if last_answered_appearance && last_answered_appearance.answerable_type == "Skip"
+              options.merge!(:valid_record => false)
+              options.merge!(:validity_information => "Fraud protection: last visitor action was a skip")
+       end
+    end
     
     choice = prompt.choices[ordinality] #we need to guarantee that the choices are in the right order (by position)
     other_choices = prompt.choices - [choice]
diff --git a/spec/models/visitor_spec.rb b/spec/models/visitor_spec.rb
index fc5db4d..8d226fe 100644
--- a/spec/models/visitor_spec.rb
+++ b/spec/models/visitor_spec.rb
@@ -198,6 +198,27 @@ describe Visitor do
     @rc.losses.should ==  prev_loser_losses + 1
     @rc.wins.should ==  prev_winner_wins
   end
+  
+  it "should invalidate vote after skips when :skip_fraud_protection option passed" do
+    
+    # If a visitor skips a prompt, the vote after should be conisdered invalid
+    @appearance = @aoi_clone.record_appearance(@visitor, @prompt)
+    @visitor.skip!(@required_skip_params.merge({ :appearance_lookup => @appearance.lookup}))
+
+    @appearance_2 = @aoi_clone.record_appearance(@visitor, @prompt)
+    @optional_vote_params = {:appearance_lookup => @appearance_2.lookup, :skip_fraud_protection => true }
+
+    vote = @visitor.vote_for! @required_vote_params.merge(@optional_vote_params)
+    vote.valid_record.should be_false
+    
+    @appearance_3 = @aoi_clone.record_appearance(@visitor, @prompt)
+    @optional_vote_params = {:appearance_lookup => @appearance_3.lookup, :skip_fraud_protection => true }
+    
+    vote_2 = @visitor.vote_for! @required_vote_params.merge(@optional_vote_params)
+
+    vote_2.valid_record.should be_true
+
+  end
 
     
 end
--
libgit2 0.21.2