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Social worker Alfred McCloud looks into the windows of a second-floor apartment. McCloud works the night shift with the Department of Child and Family Services' Emergency Response Team.
Social worker Gesenia Macias is accompanied by a police officer as she checks to see if a family is home shortly before midnight.
McCloud knocks on the front door of a home in south L.A. to check on a toddler. Depending on the circumstances, case workers visit one to three homes a night.
McCloud speaks with Susana in private in her bedroom, as he tries to ascertain her current state and the health of her child.
Social worker Gesenia Macias leaves an apartment with two police officers after unsuccessfully trying to find the parents in a reported neglect case.
Alfred McCloud fills out paperwork at the end of the home visit. He has decided that the child is safe and can stay with Susana.
McCloud tries to figure out if there's anyone home at an apartment in the south Bay during a call for a report of abuse. The mother wasn't home and McCloud traveled on to the father's house.
McCloud speaks with his supervisor. He usually consults with the DCFS office before leaving a scene.
The residence in south L.A. is home to two young mothers with four toddlers. One of the mothers, Susana, recently fled an abusive relationship.
Temporary cots fill a conference room at the DCFS headquarters south of downtown Los Angeles. Children taken into protective custody sometimes spend the night in the agency's fifth floor offices.
Col. Chris Hadfield
Edward Frias of the San Fernando Valley has been in the Security Housing Units for eight years. He was part of a hunger strike this year against SHU conditions.
The exercise yard for the 4B Security Housing Unit at the prison. There are two facilities for SHU inmates one for gang associates and who want to drop out of gangs, another for verified gang members.
Inmates look out on the exercise yard for the general population at Corcoran State Prison. Only 558 of the prison's 4,386 inmates are in the general population with its more lenient restrictions.
Larry Smith of Los Angeles is incarcerated in the general population of Corcoran State Prison. He has filed complaints against the guards for abuse since being transferred recently to the facility.
Some men exercise alone in the cages outside, others with cellmates. The cages have showers and toilets that afford little privacy.
Mike Rodriguez of Pomona is incarcerated in the 4B Security Housing Unit at Corcoran State Prison. He spends most of the day in his cell and between three and four hours outside each day in a cage.
Officers watch over the yard outside a wing of Corcoran State Prison. The prison has more than 2,000 employees to care for a population of 4,386 inmates.
Each prisoner in a general population wing at the prison is recorded on a card. The cards are color-coded by race.
Officer Weber stands guard outside the exercise cages of a Corcoran Security Housing Unit with a bottle of mace the size of a fire extinguisher.
Mike Rodriguez does art in his cell, drawings of girls and cars. His work was published in a book by a non-profit that works in prisons.
Officer Vickjord stands underneath the control room for one of the SHU facilities at Corcoran State Prison.
An inmate does pull-ups in the exercise yard outside. There are 1,258 men in the Security Housing Units at Corcoran State Prison.
The exercise yard for the general population at Corcoran State Prison. The prison has a yearly operating budget of $192 million.
Guards prepare to search inmates in the prison's general population before they come out on the prison yard. General population inmates spend many hours a day outside or in common indoor spaces.
Charles Moore of Oakland is an inmate in the Security Housing Unit at Corcoran State Prison.
Edward Frias has been in a Security Housing Unit for eight years.
Prison guards sprint to the source of an alarm sounding over the exercise yard. It turned out to be a false alarm. Guards carry a button that can trigger an alarm.
An inmate walks laps in his exercise cage at one of Corcoran's Security Housing Units.
Architect Frank Gehry
Patricia Moreno is one of two remaining brass repair technicians on staff for the Los Angeles Unified School District. She has worked in the repair shop for nine years.
Edwin Barker is one of two string instrument repair technicians remaining at Los Angeles Unified School District's Music Repair Shop.
Enrique Beruman fixes the action of the keys on dismantled piano. He is one of three piano technicians on staff at the Music Repair Shop.
A baritone rests on the table of a technician in the early stages of the repair process.
Donald McKinley is a string repair technician at Los Angeles Unified School District's Music Repair Shop. With the staffing shortfalls, he's taken over the department's managerial and clerical duties.
Steve Bagmanyan, a piano repair technician tunes a Steinway and Sons piano at the LAUSD Music Repair Shop.
A tray of floppy disks, one reading "PIANO RECORDS" on the label, sits next to a computer in the main hall of the LAUSD Music Repair Shop.
Larry Comeau worked at the Music Repair Shop for 18 years and retired in 2008. He is one of six freelance technicians the district relies on to keep up with repairs.
Andrew Palkowitz is one of two brass repair technicians on staff at the Music Repair Shop. He cleans a trumpet after giving it an acid bath in the shop's downtown warehouse.
Michael Dubkin worked in the school district's Music Repair Shop for 17 years. He retired in 2011. Since the district has no woodwind technicians, he takes instruments home and repairs them.