Bill Lagattuta

When we first talked to Cheryl and Stephen Crow back then, they said Michael was a bit shy, but otherwise a typical 14-year-old.

When we first talked to Cheryl and Stephen Crow back then, they said Michael was a bit shy, but otherwise a typical 14-year-old.

When we first talked to Cheryl and Stephen Crow back then, they said Michael was a bit shy, but otherwise a typical 14-year-old.

But authorities saw Michael differently. A bright kid with a dark side. The morning Stephanie's body was discovered, they say, Michael seemed distant, quiet, even preoccupied.

But authorities saw Michael differently. A bright kid with a dark side. The morning Stephanie's body was discovered, they say, Michael seemed distant, quiet, even preoccupied.

But authorities saw Michael differently. A bright kid with a dark side. The morning Stephanie's body was discovered, they say, Michael seemed distant, quiet, even preoccupied.

Former prosecutor, Summer Steffen.

Former prosecutor, Summer Steffen.

Former prosecutor, Summer Steffen.

But it was Michael's alibi that really made investigators suspicious.

But it was Michael's alibi that really made investigators suspicious.

But it was Michael's alibi that really made investigators suspicious.

But according to the police, even in the dark, Michael should have seen something. His room is directly across from Stephanie's.

But according to the police, even in the dark, Michael should have seen something. His room is directly across from Stephanie's.

But according to the police, even in the dark, Michael should have seen something. His room is directly across from Stephanie's.

You say you didn't see anything that night. No, I didn't.

You say you didn't see anything that night. No, I didn't.

You say you didn't see anything that night. No, I didn't.

Police began interrogating Michael. At first, he denied killing his sister.

Police began interrogating Michael. At first, he denied killing his sister.