The jury will hear a video deposition of Michael Jackson 's youngest brother Friday . David Ortega testified that Jackson seemed sleep - deprived a week before his death . Lawyers use David 's testimony to determine who 's responsible for Jackson 's death . Jackson 's ex - wife Debbie Rowe is expected in court next week .
The jury will watch a video deposition of Michael Jackson 's youngest brother Friday . Kenny Ortega testified Michael Jackson seemed sleep-deprived a week before his death . Lawyers use Ortega 's testimony to debate who 's responsible for Jackson 's death . Jackson 's ex-wife Debbie Rowe is expected in court next week .