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Input: A family friend called Sayfullo Saipov hard-working and neighbors said he would play with the children in a Florida apartment complex. President Trump derided the suspect as "sick and deranged."
Officials who were not authorized to discuss the investigation and spoke on the condition of anonymity identified  Saipov  as the attacker and said he is 29 and originally from Uzbekistan.
Dilnoza Abdusamatova  said  Saipov  briefly stayed with  his  family in a Cincinnati suburb upon immigrating.
" He  always used to work " Abdusamatova told The Cincinnati Enquirer. " He  wouldn't go to parties or anything.  He  only used to come home and rest and leave and go back to work."
The license listed  Saipov  as a truck driver.  His  wife is about six years younger. Both listed Tashkent  Uzbekistan  as their hometown.
Authorities said  Saipov  had a Florida driver's license and some public records showed an address for  him  at a Tampa apartment complex.
Michael Roberts  30  an overnight shift worker  said he was asleep when the agents showed up at about 5:30 p.m. but that they interviewed his cousin. He said both he and his cousin had moved in only a week ago and had never heard of  Saipov .
A friend who met  Saipov  in Florida  Kobiljon Matkarov  told The New York Times and the New York Post that he seemed like a "very good guy."
Officials said  Saipov  was living recently in New Jersey  where  he  allegedly rented a Home Depot pickup truck an hour before driving  it  onto the bike path.
Law enforcement cordoned off an apartment building in Paterson  New Jersey  early Wednesday. Officers also searched a garage. The building's manager told The Record newspaper that  Saipov  lived with  his  wife and two children in a two-bedroom apartment.
The ride-hailing company Uber said  Saipov  passed its background check and drove for the service for six months  making more than 1 400 trips.
The company said it was in touch with the FBI and offered its assistance and that it was reviewing  Saipov 's driving history but found no related safety reports.
Records show  Saipov  was a commercial truck driver who formed a pair of businesses in Ohio.
The first business  Sayf Motors Inc.  used the address of a family friend near Cincinnati with whom  Saipov  had stayed for a couple of weeks after his arrival in the country.
A trucking industry website listed  Saipov  at a Paterson  New Jersey  address that authorities were searching Tuesday night. Court records related to trucking-related infractions list  Saipov  with addresses in Paterson and the Cleveland suburbs.
According to the records   Saipov  was ticketed for not having the right brakes on  his  vehicle in Platte County  Missouri  near Kansas City in late 2015. A warrant was issued for  Saipov 's arrest in April 2016 when he missed a hearing on the case. He resolved it in November 2016 by pleading guilty and paying $200 in fines and court costs.

Uber driver Uzbekistan native: A look at NYC attack suspect