(CNN) An attorney for Lev Parnas, the indicted associate of Rudy Giuliani, has turned over photos, dozens of text messages and thousands of pages of documents to House impeachment investigators in an effort to win his client an audience with lawmakers.

Joseph A. Bondy, Parnas' New York attorney, traveled to Washington, DC, over the weekend to hand-deliver the contents of an iPhone 11 to Democratic staff on the House Permanent Subcommittee on Investigations, according to a series of Bondy's tweets.

"After our trip to DC, we worked through the night providing a trove of Lev Parnas' WhatsApp messages, text messages & images—not under protective order—to #HPSCI, detailing interactions with a number of individuals relevant to the impeachment inquiry. #LetLevSpeak #LevRemembers," according to Bondy's tweet

After our trip to DC, we worked through the night providing a trove of Lev Parnas' WhatsApp messages, text messages & images—not under protective order—to #HPSCI, detailing interactions with a number of individuals relevant to the impeachment inquiry. #LetLevSpeak #LevRemembers pic.twitter.com/HdHaCyZXIm — Joseph A. Bondy (@josephabondy) January 13, 2020

Parnas has also provided investigators with documents, recordings, photos, text messages on What's App, an encrypted messaging platform, and materials from a Samsung phone, according to Bondy. Material from two other devices, an iPad and another iPhone, are also expected to be shared with them.

Bondy declined to comment on what was included in the materials he gave to investigators.

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