By ELLEN KNICKMEYER and ERIC TUCKER, Associated Press WASHINGTON (AP) — Police say they recovered the stark black banner of the Islamic State extremist group from the truck that an American man from Texas smashed into New Year’s partygoers in New Orleans’ French Quarter Wednesday, killing 15 people. The investigation is expected to look in part at any support or inspiration that driver Shamsud-Din Jabbar may have drawn from that violent Middle East-based group, or from any of at least 19 affiliated groups around the world. Related Articles National News | An aspiring nurse, football star, single mother and father of 2 killed in New Orleans attack National News | What we know about the driver in the deadly New Orleans attack National News | New Orleans barriers to prevent vehicle attacks were in the process of being replaced National News | 1 person dies when truck catches fire and explodes outside Trump’s Las Vegas hotel National News | A fireworks explosion in the Honolulu area has killed 3 people and injured at least 20 President Joe Biden said Wednesday evening that the FBI had told him that “mere hours before the attack, (Jabbar) posted videos on social media indicating that he was inspired” by the Islamic State. Routed from its self-proclaimed caliphate in Syria and Iraq by a U.S.