On Day 4 of the CBI investigation in the Sushant Singh Rajput death case, the officials are likely to question Rhea Chakraborty today. According to sources, the actress can be summoned by the CBI investigators to record her statement. While sources say that Rhea can be called for questioning, it is still not sure if her family members, including brother Showik Chakraborty, father Indrajit Chakraborty and mother Sandhya Chakraborty, will also be summoned.