<p>Jackson was buried at the Forest Lawn Cemetery memorial in Glendale, California following his death last year. Ever since, fans have flocked to pay their respects. <br /><br />Some mourners started writing tributes such as "Miss you sweet angel" and "Keep the dream alive". Many of these were made using permanent ink, reports contactmusic.com.<br />"Activity such as this is a prime example why we are evaluating the level of access to the various entrances of the Great Mausoleum," said a source. Security at the cemetery was increased earlier when the tomb of late Hollywood legend Clark Gable was found covered in lipstick marks.</p>
<p>Jackson was buried at the Forest Lawn Cemetery memorial in Glendale, California following his death last year. Ever since, fans have flocked to pay their respects. <br /><br />Some mourners started writing tributes such as "Miss you sweet angel" and "Keep the dream alive". Many of these were made using permanent ink, reports contactmusic.com.<br />"Activity such as this is a prime example why we are evaluating the level of access to the various entrances of the Great Mausoleum," said a source. Security at the cemetery was increased earlier when the tomb of late Hollywood legend Clark Gable was found covered in lipstick marks.</p>