A Justice Department official briefed on Mueller's plans told CNN that the report may not be available next week because timing has always been a moving target.
In December, media reported that Mueller was “nearing the end of his historic investigation” and even suggested that he could submit his report “as early as mid-February”.
Trump recently slammed the probe calling the investigations of the allegations of possible collusion “totally conflicted, illegal and rigged”, repeating his earlier comments which described the Mueller investigation as a political witch hunt that has not produced evidence in two years.
READ MORE: Mueller Russiagate Probe Ending: What to Expect?
Russia has repeatedly denied interfering in the US election, pointing out that the allegations were made up to deflect public attention from actual instances of election fraud and corruption.