Sierra Club publishes "11 Years of Lawlessness"
Border Protection official tells congressional committee numbers rising, could hit 75,000.
A rare look inside Casa Alitas, a Tucson safe house for Guatemalans.
Agency aims to make it easier for Spanish speakers to inquire, get information.
Homeland Security says it will begin sending home families not granted asylum.
The Missing Migrant Project aims to identify 800 remains
Spending to drop $7.5 million next year because state aid eliminated.
Apprehensions decline; most illegal crossings occur in April and May, expert says.
Claim seeks disclosure of records related to reports of migrants' treatment in Border Patrol custody.
Federal government reports 414,000 people removed from country in fiscal year that ended in September.
Still, more than 900 child migrants apprehended in July, August in Border Patrol’s Tucson sector.
A week before primary election, Huppenthal says local schools will feel the impact of migrant influx.