Yes, I recall it was sort of chaotic there....
check out the NOLA link above this one
http://www.nola.com/news/t-p/frontpage/index.ssf?/base/news-6/1156572434292430.xml&coll=1&thispage=2
Also, the Washington Times covered this man and others, pitching in where Nagin failed to, rescuing people in August 30, 2005 already:
Rescue efforts abound as New Orleans copes
By Mira Oberman
AGENCE FRANCE-PRESSE
August 30, 2005
Private citizens were already conducting rescue efforts. In New Orleans, Mark Morice, 35, steered his boat through four feet of water, downed power lines and broken tree limbs.
"We are going out, there are people out there on top of homes," he said.
http://washingtontimes.com/national/20050830-123011-7607r.htm