AP - A day after a young woman described being slashed by a machete in a schoolyard while three friends were fatally shot nearby, jurors were shown the knife Thursday and were given details of the curious path that landed it in the hands of investigators.<p><strong>Read more:</strong> <a class="rssreadon" rel="external" title="Machete used in NJ schoolyard triple slaying shown   (AP)" href="http://us.rd.yahoo.com/dailynews/rss/education/*http%3A//news.yahoo.com/s/ap/20110303/ap_on_re_us/us_schoolyard_killings_trial" target="_blank">http://us.rd.yahoo.com/dailynews/rss/education/*http%3A//news.yahoo.com/s/ap/20110303/ap_on_re_us/us_schoolyard_killings_trial</a></p>