Travis Ikeguchi, 27, allegedly shot Laura Ann Carleton on Aug. 18
Non-profit disputes accusations of drop in service quality
More than 70 challenges against district maps have been filed across the country
Laura Ann Carleton owned clothing store in Lake Arrowhead
Plaintiffs say their personal info should have been redacted
Outcome of the case now pending decision by the U.S. Supreme Court
Abigail Jo Shry made threats in voicemail to judge's chambers
Advocacy groups have labeled measures #SlateofHate
Maui wildfire has killed at least 90 people
Plaintiffs argue thousands still face consequences of discriminatory policy