Their final witness presented jurors with clips from Davis' past interviews and recorded jail calls.
In one call after his 2023 arrest, Davis complained authorities were trying to use his statements against him and said he should have stopped doing interviews.
"They're trying to use my words against me," Davis said in one call played for jurors.
In a YouTube clip, Davis held up his book and encouraged viewers to buy it to "get the real truth."
The defence is expected to begin presenting its case Thursday, with lawyer Michael Sanft telling the judge he has a detective and two police officers lined up to testify. Davis is still deciding whether to testify in his own defence.
A former Compton gang detective testified Davis was a high-ranking "shot caller" whose authority meant younger gang members would not have opened fire on Shakur with Davis present unless he allowed it.
Robert Ladd, a former Compton police officer who spent years investigating gang homicides, described Davis as a leader of the South Side Compton Crips who could order younger members to act.
Prosecutors have not accused Davis of firing the shots that killed Shakur in Las Vegas on September 7, 1996. Instead, they allege Davis orchestrated the shooting in retaliation for a casino brawl hours earlier involving Shakur and Davis' nephew, Orlando "Baby Lane" Anderson. Under Nevada law, someone who helps another person commit murder can be convicted of the crime.
Ladd testified that Shakur's shooting triggered a 10-day war in Compton between the South Side Crips and Mob Piru, resulting in three killings and 10 attempted murders.
Davis has said in past interviews that he was riding in a white Cadillac with Anderson and two other men when they pulled alongside Shakur and Death Row Records co-founder Marion "Suge" Knight in a black BMW. In a 2008 police interview played for jurors last week, Davis said he provided the gun and Anderson opened fire.
Asked who would have been the leader among the four men in the Cadillac, Ladd answered, "Mr. Davis."
Ladd said that Anderson, a younger-ranking gang member, could not have opened fire with Davis in the car without Davis' permission. If Davis had told the others to handle the dispute later, Ladd testified, "there wouldn't have been a shooting."
Sanft emphasised the lack of physical evidence supporting that theory. Ladd acknowledged, aside from Davis' own admissions, he had no physical evidence placing Davis in Las Vegas that night and no phone records showing Davis ordered the shooting.
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