India, Dec. 11 -- In a dramatic twist to the investigation into the death of Celeste Rivas, the first potential arrest is looming, but the target is not singer D4vd.

Prosecutors are moving to detain a key female witness who has refused to testify before the grand jury, signaling an aggressive new phase in the homicide probe where authorities are treating D4vd as a suspect. The victim's body was discovered in the trunk of a Tesla registered to the musician in September.

Deputy District Attorney (D.A.) Beth Silverman has declared her intent to have a judge issue a "body attachment" to compel the witness to appear, according to reports by TMZ. This forceful legal operation authorizes law enforcement to take the non-compliant individual int...