There was blood coming out of the nose.(blood ) 

“Goa: Suchana Seth, CEO of Mindful AI Lab, a startup in Bengaluru, has been accused of murdering his four-year-old son. In this case, the doctors of Hiriyur Hospital, after preliminary examination of the body for postmortem, have expressed the suspicion that the child died due to suffocation due to being pressed with a pillow. Dr. Kumar Naik, in-charge of postmortem investigation, told the media that the child’s mouth had been pressed. He further said that perhaps he might have died due to suffocation with a pillow or some other object. The child was not murdered by strangulation with hands. The murder took place 36 hours ago. His face and chest are swollen due to suffocation. And the child’s nose was bleeding.(blood ) 

Accused woman arrested from Chitradurga
Let us tell you that Goa Police arrested the accused Suchana Seth from Chitradurga in Karnataka on Monday night. He was brought to Goa on Tuesday and a court in Mapusa city has sent him to six-day police custody, an official said. According to the police, the motive for the murder is not yet known.
The woman is in the process of divorce from her husband.
The woman had come to a rented flat in Candolim in North Goa with her son on January 6 and after staying there for two days, went to Bengaluru by taxi on Monday. The apartment staff later informed the police and told them that when she left, her four-year-old son was not seen with her, police said. According to Goa Police, Seth told them that she and her husband were separated and their divorce process was going on.