Friday, July 24:
- 7 to 7:30 p.m. Kimberlly Davidson, a 7-year-old girl who lives in Oak Park Village, says she saw Robert at a playground.
- 10:11 p.m. Robert is reported missing. Police man checkpoint on Vista Avenue to talk to motorists.
Saturday, July 25: The FBI joins the search effort. Search dogs scour Oak Park grounds. Police issue a description of Robert at about 6 a.m. to see if anyone has seen him.
Sunday, July 26: After divers search a pond at Oak Park Village, officials begin draining the pond. Volunteers join the search.
Monday, July 27: An Idaho National Guard helicopter conducts an aerial search, while police and about 100 volunteers search the public areas near Oak Park Village, the banks of the New York Canal, railroad tracks, streets and shopping centers. Robert's family - including his mother, Melissa Jenkins, and her boyfriend, Daniel Ehrlick Jr., attend a press conference calling for help.
Tuesday, July 28: Police and FBI continue a house-to-house search and interview more than 100 registered sex offenders who live within a 2-mile radius. More than 120 volunteers coordinated by Boise police and Idaho Mountain Search & Rescue continue to search near the apartment.
Wednesday, July 29:
- Volunteers and police finish grid search. Boise police announce they are asking for as many as 1,000 volunteers to search July 31.
- A Statesman report reveals that Jenkins is on probation for fracturing the skull of Robert's infant half brother and that Ehrlick Jr. has been convicted of burglary, battery and possession of drug paraphernalia, and is banned by the courts from being alone with Robert's half sister.
Thursday, July 30
- 8:15 p.m. A forensics team searches the apartment where Robert was staying with his mother and Ehrlick Jr. They remove items and tow a vehicle. Police bring in search dogs to sniff around the complex grounds.
Friday, July 31 :
- 9 a.m. The first wave of about 2,300 volunteers joins police in a massive search for Robert.
- Noon Police report that they have evidence indicating Robert may have been injured or could be a "victim of a tragic event."
- 3:15 p.m. An Ada County sheriff's deputy guards a portion of the Hidden Hollow Landfill, right, and makes sure nothing is disturbed from Saturday morning's trash run.
- 5:53 p.m. Ada County sheriff's investigators prepare to search a house and dig up its backyard on the 6600 block of Southdale Avenue, near Five Mile Road. Resident Evan Wallis said he knows Robert's family but doesn't know why police are searching his house. He tells police someone stole his Chevy Suburban July 22.
- Saint Alphonsus Regional Medical Center confirms that Ehrlick Jr. had been admitted and released from the hospital, but wouldn't say when or for what he was treated.
Saturday, Aug. 1: A makeshift tribute to Robert is created on a sidewalk on Shoshone Street, near Jenkins' apartment.
Monday, Aug. 3: 1:28 p.m. A nearby homeowner and a road crew member call police after seeing a body in the New York Canal near Cloverdale Road in southern Ada County. A sheriff's deputy jumps in and pulls the body out. In contrast with previous press updates, Robert's family does not attend Monday's conference.
Tuesday, Aug. 4
- 9 a.m. A coroner's pathologist begins an autopsy on the body found in the canal.
- 4 p.m. Police report that the Ada County coroner had "tentatively" identified the body as Robert.
- Wednesday, Aug. 5
- 4:22 p.m. The coroner's office says dental records confirm that it was Robert in the canal.
- 6 p.m. Boise police say the autopsy showed Robert's death was "not an accident" and say they are beginning a homicide investigation.