diff --git a/ActivitySpamPlugin.php b/ActivitySpamPlugin.php
index 4dbd24c16a..b429a3ef9d 100644
--- a/ActivitySpamPlugin.php
+++ b/ActivitySpamPlugin.php
@@ -212,6 +212,8 @@ class ActivitySpamPlugin extends Plugin
                     array('action' => 'train', 'category' => 'spam'));
         $m->connect('main/train/ham',
                     array('action' => 'train', 'category' => 'ham'));
+        $m->connect('main/spam',
+                    array('action' => 'spam'));
         return true;
     }
 
@@ -223,6 +225,22 @@ class ActivitySpamPlugin extends Plugin
         return true;
     }
 
+    function onEndPublicGroupNav($nav)
+    {
+        $user = common_current_user();
+
+        if (!empty($user) && $user->hasRight(self::REVIEWSPAM)) {
+            $nav->out->menuItem(common_local_url('spam'),
+                                _m('MENU','Spam'),
+                                // TRANS: Menu item title in search group navigation panel.
+                                _('Notices marked as spam'),
+                                $nav->actionName == 'spam',
+                                'nav_timeline_spam');
+        }
+
+        return true;
+    }
+
     function onPluginVersion(&$versions)
     {
         $versions[] = array('name' => 'ActivitySpam',
diff --git a/Spam_score.php b/Spam_score.php
index d6a05e2261..36d172f396 100644
--- a/Spam_score.php
+++ b/Spam_score.php
@@ -79,7 +79,9 @@ class Spam_score extends Managed_DataObject
         $score->notice_created = $notice->created;
 
         $score->insert();
-        
+
+        self::blow('spam_score:notice_ids');
+
         return $score;
     }
 
@@ -107,9 +109,18 @@ class Spam_score extends Managed_DataObject
             $score->update($orig);
         }
         
+        self::blow('spam_score:notice_ids');
+
         return $score;
     }
 
+    function delete()
+    {
+        self::blow('spam_score:notice_ids');
+        self::blow('spam_score:notice_ids;last');
+        parent::delete();
+    }
+
     /**
      * The One True Thingy that must be defined and declared.
      */
diff --git a/spam.php b/spam.php
new file mode 100644
index 0000000000..502e3776af
--- /dev/null
+++ b/spam.php
@@ -0,0 +1,171 @@
+<?php
+/**
+ * StatusNet - the distributed open-source microblogging tool
+ * Copyright (C) 2012, StatusNet, Inc.
+ *
+ * Stream of latest spam messages
+ * 
+ * PHP version 5
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Affero General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU Affero General Public License for more details.
+ *
+ * You should have received a copy of the GNU Affero General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ *
+ * @category  Spam
+ * @package   StatusNet
+ * @author    Evan Prodromou <evan@status.net>
+ * @copyright 2012 StatusNet, Inc.
+ * @license   http://www.fsf.org/licensing/licenses/agpl-3.0.html AGPL 3.0
+ * @link      http://status.net/
+ */
+
+if (!defined('STATUSNET')) {
+    // This check helps protect against security problems;
+    // your code file can't be executed directly from the web.
+    exit(1);
+}
+
+require_once INSTALLDIR.'/lib/noticelist.php';
+
+/**
+ * SpamAction
+ * 
+ * Shows the latest spam on the service
+ * 
+ * @category  Spam
+ * @package   StatusNet
+ * @author    Evan Prodromou <evan@status.net>
+ * @copyright 2012 StatusNet, Inc.
+ * @license   http://www.fsf.org/licensing/licenses/agpl-3.0.html AGPL 3.0
+ * @link      http://status.net/
+ */
+
+class SpamAction extends Action
+{
+    var $page = null;
+    var $notices = null;
+
+    /**
+     * For initializing members of the class.
+     *
+     * @param array $argarray misc. arguments
+     *
+     * @return boolean true
+     */
+
+    function prepare($argarray)
+    {
+        parent::prepare($argarray);
+
+        $this->page = ($this->arg('page')) ? ($this->arg('page')+0) : 1;
+
+        // User must be logged in.
+
+        $user = common_current_user();
+
+        if (empty($user)) {
+            throw new ClientException(_("You must be logged in to review."), 403);
+        }
+
+        // It must be a "real" login, not saved cookie login
+
+        if (!common_is_real_login()) {
+            common_set_returnto($this->selfUrl());
+            if (Event::handle('RedirectToLogin', array($this, $user))) {
+                common_redirect(common_local_url('login'), 303);
+                return;
+            }
+        }
+
+        // User must have the right to review spam
+
+        if (!$user->hasRight(ActivitySpamPlugin::REVIEWSPAM)) {
+            throw new ClientException(_('You cannot review spam on this site.'), 403);
+        }
+
+        $stream = new SpamNoticeStream($user->getProfile());
+
+        $this->notices = $stream->getNotices(($this->page-1)*NOTICES_PER_PAGE,
+                                             NOTICES_PER_PAGE + 1);
+
+        if($this->page > 1 && $this->notices->N == 0) {
+            throw new ClientException(_('No such page.'), 404);
+        }
+
+        return true;
+    }
+
+    /**
+     * Handler method
+     *
+     * @param array $argarray is ignored since it's now passed in in prepare()
+     *
+     * @return void
+     */
+
+    function handle($argarray=null)
+    {
+        parent::handle($args);
+
+        $this->showPage();
+    }
+
+    /**
+     * Fill the content area
+     *
+     * Shows a list of the notices in the public stream, with some pagination
+     * controls.
+     *
+     * @return void
+     */
+
+    function showContent()
+    {
+        $nl = new NoticeList($this->notices, $this);
+
+        $cnt = $nl->show();
+
+        if ($cnt == 0) {
+            $this->showEmptyList();
+        }
+
+        $this->pagination($this->page > 1, 
+                          $cnt > NOTICES_PER_PAGE,
+                          $this->page,
+                          'spam');
+    }
+
+    function showEmptyList()
+    {
+        // TRANS: Text displayed for public feed when there are no public notices.
+        $message = _('This is the timeline of spam messages for %%site.name%% but none have been detected yet.');
+
+        $this->elementStart('div', 'guide');
+        $this->raw(common_markup_to_html($message));
+        $this->elementEnd('div');
+    }
+
+    /**
+     * Return true if read only.
+     *
+     * MAY override
+     *
+     * @param array $args other arguments
+     *
+     * @return boolean is read only action?
+     */
+
+    function isReadOnly($args)
+    {
+        return true;
+    }
+}
diff --git a/spamnoticestream.php b/spamnoticestream.php
new file mode 100644
index 0000000000..ffb8d08025
--- /dev/null
+++ b/spamnoticestream.php
@@ -0,0 +1,101 @@
+<?php
+/**
+ * StatusNet - the distributed open-source microblogging tool
+ * Copyright (C) 2012, StatusNet, Inc.
+ *
+ * Spam notice stream
+ * 
+ * PHP version 5
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Affero General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU Affero General Public License for more details.
+ *
+ * You should have received a copy of the GNU Affero General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ *
+ * @category  Spam
+ * @package   StatusNet
+ * @author    Evan Prodromou <evan@status.net>
+ * @copyright 2012 StatusNet, Inc.
+ * @license   http://www.fsf.org/licensing/licenses/agpl-3.0.html AGPL 3.0
+ * @link      http://status.net/
+ */
+
+if (!defined('STATUSNET')) {
+    // This check helps protect against security problems;
+    // your code file can't be executed directly from the web.
+    exit(1);
+}
+
+/**
+ * Spam notice stream
+ *
+ * @category  Spam
+ * @package   StatusNet
+ * @author    Evan Prodromou <evan@status.net>
+ * @copyright 2012 StatusNet, Inc.
+ * @license   http://www.fsf.org/licensing/licenses/agpl-3.0.html AGPL 3.0
+ * @link      http://status.net/
+ */
+
+class SpamNoticeStream extends ScopingNoticeStream
+{
+    function __construct($tag, $profile = -1)
+    {
+        if (is_int($profile) && $profile == -1) {
+            $profile = Profile::current();
+        }
+        parent::__construct(new CachingNoticeStream(new RawSpamNoticeStream(),
+                                                    'spam_score:notice_ids'));
+    }
+}
+
+/**
+ * Raw stream of spammy notices
+ *
+ * @category  Stream
+ * @package   StatusNet
+ * @author    Evan Prodromou <evan@status.net>
+ * @copyright 2011 StatusNet, Inc.
+ * @license   http://www.fsf.org/licensing/licenses/agpl-3.0.html AGPL 3.0
+ * @link      http://status.net/
+ */
+
+class RawSpamNoticeStream extends NoticeStream
+{
+    function getNoticeIds($offset, $limit, $since_id, $max_id)
+    {
+        $ss = new Spam_score();
+
+        $ss->is_spam = 1;
+
+        $ss->selectAdd();
+        $ss->selectAdd('notice_id');
+
+        Notice::addWhereSinceId($ss, $since_id, 'notice_id');
+        Notice::addWhereMaxId($ss, $max_id, 'notice_id');
+
+        $ss->orderBy('notice_created DESC, notice_id DESC');
+
+        if (!is_null($offset)) {
+            $ss->limit($offset, $limit);
+        }
+
+        $ids = array();
+
+        if ($ss->find()) {
+            while ($ss->fetch()) {
+                $ids[] = $ss->notice_id;
+            }
+        }
+
+        return $ids;
+    }
+}