Back now at 7:43 with the latest on amanda bynes. Now blasting superstar rihanna and calling out the nypd in an online rampage after her arrest last week. Abc's diana perez has the story. Does anybody... See More
Back now at 7:43 with the latest on amanda bynes. Now blasting superstar rihanna and calling out the nypd in an online rampage after her arrest last week. Abc's diana perez has the story. Does anybody here think they can talk to her in a way -- Reporter: The question many are asking about "easy a" star amanda bynes. In a series of bizarre tweets over the weekend following her arrest that landed her in front of a judge on friday writing "i know cops cannot illegally enter my apartment, sexually harass me, arrest me, me to a mental hospital then lock me up for a crime I didn't commit. I'm suing them all". The former child sta now 27 was charged with criminal possession of marijuana, tampering with evidence and reckless endangerment after police claimed she threw a bong out of her 36th story apartment building late wednesday night. The nypd denied her claim of sexual harassment but are investigating the matter. It's going to be difficult for her to prove that. One, her credibility is shot given her erratic behavior and given all the steps that led up to this occurrence and, two, there was an eyewitness present the entire time that the police were there and he says that nothing inappropriate happened. Reporter: And it's not just the nypd in the star's crosshairs. She's suing her family for money laundering and even attacked singer rihanna, tweeting and insults writing "i'm allergic to marijuana and alcohol but i smoke tobacco. Why does rihanna smoke weed and not get in trouble for it but i smoke to back & people think I'm onrugs jt. "You see what happens when they cancel intervention" from rihanna. Seen with a sheared haircut has emerged from her apartment to reportedly shop for a brand-new wig. And despite her turbulent week denied anything was wrong. For "good morning america," diana perez, abc news, new york.
This transcript has been automatically generated and may not be 100% accurate.