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The Latest: Workers return to San Bernardino offices for the first time since massacre

  • In this Tuesday, Dec. 29, 2015, photo, flowers and American flags honoring the victims of the attack on Dec. 2 are placed outside the Inland Regional Center where the fatal shooting took place in San Bernardino, Calif. At the IRC, Christmas never came. The staff was still gearing up for the holidays on Dec. 2, the day 14 people were massacred on the center’s gleaming campus. On Monday, Jan. 4, 2016, they'll return to two of the three buildings not damaged in the rampage. (AP Photo/ Nick Ut)

    In this Tuesday, Dec. 29, 2015, photo, flowers and American flags honoring the victims of the attack on Dec. 2 are placed outside the Inland Regional Center where the fatal shooting took place in San Bernardino, Calif. At the IRC, Christmas never came. The staff was still gearing up for the holidays on Dec. 2, the day 14 people were massacred on the center’s gleaming campus. On Monday, Jan. 4, 2016, they'll return to two of the three buildings not damaged in the rampage. (AP Photo/ Nick Ut)  (The Associated Press)

  • In this Tuesday, Dec. 29, 2015, photo, the Inland Regional Center's associate executive director, Kevin Urtz, left, listens to the center's executive director Lavinia Johnson during an interview with The Associated Press on the campus of the regional center where the attack on Dec. 2 took place in San Bernardino, Calif. The staff was still gearing up for the holidays on Dec. 2, the day 14 people were massacred on the center’s gleaming campus. On Monday, Jan. 4, 2016, they'll return to two of the three buildings not damaged in the rampage. (AP Photo/ Nick Ut)

    In this Tuesday, Dec. 29, 2015, photo, the Inland Regional Center's associate executive director, Kevin Urtz, left, listens to the center's executive director Lavinia Johnson during an interview with The Associated Press on the campus of the regional center where the attack on Dec. 2 took place in San Bernardino, Calif. The staff was still gearing up for the holidays on Dec. 2, the day 14 people were massacred on the center’s gleaming campus. On Monday, Jan. 4, 2016, they'll return to two of the three buildings not damaged in the rampage. (AP Photo/ Nick Ut)  (The Associated Press)

  • In this Tuesday, Dec. 29, 2015, photo, the Inland Regional Center's executive director, Lavinia Johnson, pauses for a moment during an interview with The Associated Press on the campus of the regional center where the attack on Dec. 2 took place in San Bernardino, Calif. At the IRC, Christmas never came. The staff was still gearing up for the holidays on Dec. 2, the day 14 people were massacred on the center’s gleaming campus. On Monday, Jan. 4, 2016, they'll return to two of the three buildings not damaged in the rampage. (AP Photo/ Nick Ut)

    In this Tuesday, Dec. 29, 2015, photo, the Inland Regional Center's executive director, Lavinia Johnson, pauses for a moment during an interview with The Associated Press on the campus of the regional center where the attack on Dec. 2 took place in San Bernardino, Calif. At the IRC, Christmas never came. The staff was still gearing up for the holidays on Dec. 2, the day 14 people were massacred on the center’s gleaming campus. On Monday, Jan. 4, 2016, they'll return to two of the three buildings not damaged in the rampage. (AP Photo/ Nick Ut)  (The Associated Press)

The latest on the reopening of the social service center where 14 died in the San Bernardino shooting (all times local):

8 a.m.

Guards checked IDs as workers returned to the San Bernardino social service center for the first time since 14 people were killed last month in a terror attack.

A chain-link fence was unlocked Monday morning as some of the Inland Regional Center's 600 employees went back to work. Few of them have gone to the office since the killings, other than a brief visit to gather personal belongings. No visitors are allowed.

While many have continued to work, visiting the homes of autistic children and mentally disabled adults, they haven't been together since law enforcement officers whisked them away Dec. 2.

The conference center where the two attackers opened fire on a holiday luncheon will not reopen Monday, and it's not clear when it might.